| Tune name | Sessions |
| Improvisacion I | 1 |
| Improvisacion II | 1 |
| Improvisacion III | 1 |
| Improvisacion libre | 1 |
| Improvisacion libre 1 | 1 |
| Improvisacion libre and a tree grows in Treptow and Albanian summer | 1 |
| Improvisacion libre II | 1 |
| Improvisacion No 7 | 1 |
| Improvisacion sobre Txoria | 1 |
| Improvisaciones | 1 |
| Improvisaciones sobre boogie woogie | 1 |
| Improvisaciones sobre yemaya | 1 |
| Improvisada | 1 |
| Improvisaient | 1 |
| Improvisando cha cha | 1 |
| improvisar | 1 |
| Improvisasjon | 1 |
| Improvisasjon 1 | 1 |
| Improvisasjon 2 | 1 |
| Improvisasjon 3 | 1 |
| Improvisatie | 1 |
| Improvisatio I | 1 |
| Improvisatio II | 1 |
| Improvisatio III | 1 |
| Improvisatio IV | 1 |
| Improvisatio IX | 1 |
| Improvisatio V | 1 |
| Improvisatio VI | 1 |
| Improvisatio VII | 1 |
| Improvisatio VIII | 1 |
| Improvisation | 220 |
| Improvisation & nebula | 1 |
| Improvisation & prelude | 1 |
| Improvisation 0 | 1 |
| Improvisation 072992 a | 1 |
| Improvisation 072992 b | 1 |
| Improvisation 072992 c | 1 |
| Improvisation 1 | 95 |
| Improvisation 10 | 11 |
| Improvisation 102 | 1 |
| Improvisation 102a | 1 |
| Improvisation 102b | 1 |
| Improvisation 102c | 1 |
| Improvisation 102d | 1 |
| Improvisation 102e | 1 |
| Improvisation 102f | 1 |
| Improvisation 102g | 1 |
| Improvisation 102V | 1 |
| Improvisation 102W | 1 |
| Improvisation 102X | 1 |
| Improvisation 102Y | 1 |
| Improvisation 102Z | 1 |
| Improvisation 103 | 1 |
| Improvisation 104 | 1 |
| Improvisation 104a | 1 |
| Improvisation 104b | 1 |
| Improvisation 105 | 1 |
| Improvisation 11 | 9 |
| Improvisation 111 | 1 |
| Improvisation 111188 | 1 |
| Improvisation 12 | 4 |
| Improvisation 12189 | 1 |
| Improvisation 13 | 2 |
| Improvisation 13 en la mineur | 1 |
| Improvisation 14 | 2 |
| Improvisation 15 | 1 |
| Improvisation 16 | 1 |
| Improvisation 17 | 1 |
| Improvisation 17042006 | 1 |
| Improvisation 18 | 1 |
| Improvisation 19 | 1 |
| Improvisation 1949 | 1 |
| Improvisation 1961 | 1 |
| Improvisation 1988 | 1 |
| Improvisation 2 | 83 |
| Improvisation 2 blues | 1 |
| Improvisation 2 Variation no 1 | 1 |
| Improvisation 2 Variation no 2 | 1 |
| Improvisation 2 Variation no 3 | 1 |
| Improvisation 20 | 1 |
| Improvisation 21 | 2 |
| Improvisation 210797 | 1 |
| Improvisation 22 | 2 |
| Improvisation 23 | 2 |
| Improvisation 24 | 2 |
| Improvisation 25 | 1 |
| Improvisation 26 | 1 |
| Improvisation 26887 | 1 |
| Improvisation 27 | 2 |
| Improvisation 27376 | 1 |
| Improvisation 28 | 1 |
| Improvisation 3 | 65 |
| Improvisation 3 Variation no 1 | 1 |
| Improvisation 3 Variation no 2 | 1 |
| Improvisation 4 | 51 |
| Improvisation 41 | 1 |
| Improvisation 47 | 1 |
| Improvisation 5 | 37 |
| Improvisation 5010 | 1 |
| Improvisation 5012 | 1 |
| Improvisation 5016 | 1 |
| Improvisation 5018 | 1 |
| Improvisation 5020 | 1 |
| Improvisation 5021 | 1 |
| Improvisation 536 | 1 |
| Improvisation 537 | 1 |
| Improvisation 538 | 1 |
| Improvisation 541 | 1 |
| Improvisation 6 | 26 |
| Improvisation 61696 | 1 |
| Improvisation 7 | 19 |
| Improvisation 73 | 1 |
| Improvisation 77 | 1 |
| Improvisation 8 | 17 |
| Improvisation 9 | 12 |
| Improvisation 911 | 1 |
| Improvisation 912 | 1 |
| Improvisation A | 1 |
| Improvisation A plus opening and closing | 1 |
| Improvisation A2 | 2 |
| Improvisation and tukras | 1 |
| Improvisation and variations | 1 |
| Improvisation at the Echo Tower Vaxjo Sweden | 1 |
| Improvisation B | 2 |
| Improvisation based on Lustige Khsidim | 1 |
| Improvisation before breakfast | 1 |
| Improvisation blue | 1 |
| Improvisation blues | 1 |
| Improvisation C | 3 |
| Improvisation CJB | 1 |
| Improvisation D | 1 |
| Improvisation D plus the national rock n roll | 1 |
| Improvisation de la cuff | 1 |
| Improvisation de la tete | 1 |
| Improvisation en moderato | 1 |
| Improvisation en Si B | 1 |
| Improvisation excerpt 1 | 2 |
| Improvisation excerpt 2 | 2 |
| Improvisation exercises | 1 |
| Improvisation Exhibit A | 1 |
| Improvisation five | 2 |
| Improvisation for Daff | 1 |
| Improvisation for dance | 1 |
| Improvisation for dancers | 1 |
| Improvisation for four | 1 |
| Improvisation for four saxaphones | 1 |
| Improvisation for guitar conch shells and percussion | 1 |
| Improvisation for guitar trombone and percussion | 1 |
| Improvisation for klarinett | 1 |
| Improvisation for march of time | 1 |
| Improvisation for Mr JC | 1 |
| Improvisation for Mr Low | 1 |
| Improvisation for orchestra 2 | 1 |
| Improvisation for orchestra 3 | 1 |
| Improvisation for the march of time | 16 |
| Improvisation for Tombak | 1 |
| Improvisation for trio | 1 |
| Improvisation for unaccompanied saxophones | 1 |
| Improvisation for voice piano and guitar | 1 |
| Improvisation four | 5 |
| Improvisation Freddy | 1 |
| Improvisation from Five piano rhapsodies | 1 |
| Improvisation from Tensakunohana | 1 |
| Improvisation group | 1 |
| Improvisation I | 25 |
| Improvisation I Statues | 1 |
| Improvisation II | 26 |
| Improvisation II Letter to the editor | 1 |
| Improvisation II When I think about you I hate myself | 1 |
| Improvisation III | 17 |
| Improvisation III Be still now | 1 |
| Improvisation IIIIV | 1 |
| Improvisation IIV | 1 |
| Improvisation in 2 parts | 1 |
| Improvisation in 44 | 1 |
| Improvisation in 74 | 1 |
| Improvisation in Amoll | 1 |
| Improvisation in Bb | 1 |
| Improvisation in blue | 1 |
| Improvisation in blues | 1 |
| Improvisation in C Minor | 1 |
| Improvisation in five | 1 |
| Improvisation in fourths | 2 |
| Improvisation in G | 1 |
| Improvisation in G minor | 1 |
| Improvisation in linear B | 1 |
| Improvisation in several keys | 1 |
| Improvisation in thirds | 1 |
| Improvisation in zero gravity | 1 |
| Improvisation Inspiration | 1 |
| Improvisation intro | 1 |
| Improvisation Invention | 1 |
| Improvisation IV | 11 |
| Improvisation IVIV | 1 |
| Improvisation IX | 2 |
| Improvisation LabarriereChevallier | 1 |
| Improvisation LabarriereRobert | 1 |
| Improvisation live Trilok Gurtu & Don Cherry | 1 |
| Improvisation mainly in 98 | 1 |
| Improvisation marine | 1 |
| Improvisation med tema | 1 |
| Improvisation Meditation | 1 |
| Improvisation n 1 | 1 |
| Improvisation n 2 | 1 |
| Improvisation no 1 | 15 |
| Improvisation no 1 for AEOC | 1 |
| Improvisation no 1073 excerpt 1 | 1 |
| Improvisation No 1Teen town | 1 |
| Improvisation no 2 | 26 |
| Improvisation no 2 for B Higgins | 1 |
| Improvisation no 3 | 12 |
| Improvisation no 3 for Syd | 1 |
| Improvisation no 4 | 7 |
| Improvisation no 4 for Descartes | 1 |
| Improvisation No 47 | 1 |
| Improvisation no 5 | 7 |
| Improvisation no 5 for Alex | 1 |
| Improvisation No 53 | 1 |
| Improvisation no 6 | 2 |
| Improvisation no 6 for Dewey | 1 |
| Improvisation no 7 | 1 |
| Improvisation no I | 1 |
| Improvisation no3 | 2 |
| Improvisation no4 | 3 |
| Improvisation no5 | 3 |
| Improvisation no6 | 2 |
| Improvisation no7 | 1 |
| Improvisation nocturne | 1 |
| Improvisation nr 1 | 1 |
| Improvisation nr 2 | 2 |
| Improvisation nr 3 | 1 |
| Improvisation nr 4 | 1 |
| Improvisation nr 5 | 1 |
| Improvisation of an Afghanistan theme | 1 |
| Improvisation on | 1 |
| Improvisation on a Finnish folktune | 1 |
| Improvisation on a Monday afternoon | 1 |
| Improvisation on a painting | 1 |
| Improvisation on a theme | 1 |
| Improvisation on a theme by Bach | 1 |
| Improvisation on a theme by Carl Edson Jefferson | 1 |
| Improvisation on a theme by Granados | 1 |
| Improvisation on a theme by Quincy Jones | 1 |
| Improvisation on a theme by Tikhon Khrennikov from the film True Friends | 1 |
| Improvisation on a theme by Tomas Svoboda | 1 |
| Improvisation on a theme of Schoenbergs Verklarte Nacht | 1 |
| Improvisation on Antouni | 1 |
| Improvisation on BACH | 1 |
| Improvisation on Bach lute prelude | 1 |
| Improvisation on Beethovens Pathetique sonata 2nd movement | 1 |
| Improvisation on Beethovens Pathetique sonata 3rd movement | 1 |
| Improvisation on Beethovens sonata op 109 3rd movement | 1 |
| Improvisation on Bela Bartoks dragons dance | 1 |
| Improvisation on blues | 1 |
| Improvisation on Bolero | 1 |
| Improvisation on confirmation | 1 |
| Improvisation on Cycle logical | 1 |
| Improvisation on Debussys reverie | 1 |
| Improvisation on Die Fefriesten | 1 |
| Improvisation on Die Soldaten | 1 |
| Improvisation on fugue X | 1 |
| Improvisation on graphic score | 1 |
| Improvisation on Greigs Norwegian dance | 1 |
| Improvisation on halfinet | 1 |
| Improvisation on How deep is the ocean | 1 |
| Improvisation on light and shadow | 1 |
| Improvisation on message in a bottle | 1 |
| Improvisation on No1 | 1 |
| Improvisation on No2 | 1 |
| Improvisation on No3 | 1 |
| Improvisation on Pinetops boogie woogie | 1 |
| Improvisation on prelude in E minor | 1 |
| Improvisation on promenade theme from pictures at an exhibition | 1 |
| Improvisation on Psalm | 1 |
| Improvisation on Raeba | 1 |
| Improvisation on red | 1 |
| Improvisation on Reedeemed | 1 |
| Improvisation on Robert De Visees Minuet II | 1 |
| Improvisation on Robert De Visees Sarabande | 1 |
| Improvisation on Russian songs | 1 |
| Improvisation on Selma | 1 |
| Improvisation on Snow tiger | 1 |
| Improvisation on solo for unaccompanied bass | 1 |
| Improvisation on Subatomic dominant | 1 |
| Improvisation on Sweet Space | 1 |
| Improvisation on The Cryptosphere | 1 |
| Improvisation on the melodic idea of Dolores | 1 |
| Improvisation on the theme from Pather Pancheli | 1 |
| Improvisation on Tschaikowskys Starry night | 1 |
| Improvisation on two themes | 1 |
| Improvisation on VillaLobos Prelude no 4 in E minor | 1 |
| Improvisation on waltz no 7 in Csharp minor op 64 2 | 1 |
| Improvisation on Was it to blame by Ruby Braff | 1 |
| Improvisation one | 7 |
| Improvisation over Camel blue | 1 |
| Improvisation over Easy | 1 |
| Improvisation over Etudiant | 1 |
| Improvisation over High above | 1 |
| Improvisation over Jimmy | 1 |
| Improvisation over Spring | 1 |
| Improvisation over You of all | 1 |
| Improvisation panels | 1 |
| Improvisation part I | 1 |
| Improvisation part II | 1 |
| Improvisation PI | 1 |
| Improvisation pour toms et gangs | 1 |
| Improvisation pt 1 | 1 |
| Improvisation pt 2 | 1 |
| Improvisation R la batterie | 1 |
| Improvisation R la contrebasse | 1 |
| Improvisation sentimental | 1 |
| Improvisation Solo piano | 1 |
| Improvisation suite | 1 |
| Improvisation sur la danse Norvegienne | 1 |
| Improvisation sur la Norvege de Grieg | 1 |
| Improvisation sur un berceuse Basque | 1 |
| Improvisation sur un danse Norvegienne | 1 |
| Improvisation sur un theme mineur | 2 |
| Improvisation swing | 1 |
| Improvisation temple block | 1 |
| Improvisation three | 4 |
| Improvisation two | 7 |
| Improvisation uber ein Thema von Bach | 1 |
| Improvisation uber Mehrklange | 1 |
| Improvisation uber mondvalzer | 1 |
| Improvisation V | 7 |
| Improvisation VerlyChevallier | 1 |
| Improvisation VI | 5 |
| Improvisation VII | 3 |
| Improvisation VIII | 2 |
| Improvisation vol 1 | 1 |
| Improvisation vol 2 | 1 |
| Improvisation with harpist Susan Allen | 1 |
| Improvisation with Maggie no 1 | 1 |
| Improvisation with Maggie no 6 | 1 |
| Improvisation with the sounds of forgotten poetic allegories | 1 |
| Improvisation X | 1 |
| Improvisation XVI | 1 |
| Improvisation York 2421972 | 1 |
| Improvisation zu einem klang | 1 |
| Improvisational suite number one | 1 |
| Improvisationen | 1 |
| Improvisationer | 1 |
| Improvisationer over ett tema tillagnat Josef Suk | 1 |
| Improvisations | 7 |
| Improvisations 1 | 1 |
| Improvisations 2 | 1 |
| Improvisations 3 | 1 |
| Improvisations 4 | 1 |
| Improvisations A2 | 1 |
| Improvisations B | 1 |
| Improvisations D2 | 1 |
| Improvisations F | 1 |
| Improvisations for George Riste 1 | 1 |
| Improvisations for George Riste 2 | 1 |
| Improvisations for George Riste 3 | 1 |
| Improvisations for George Riste 4 | 1 |
| Improvisations for guitar 110 | 1 |
| Improvisations for guitar and drums | 1 |
| Improvisations for guitar and oboe 17 | 1 |
| Improvisations for guitar and percussion 17 | 1 |
| Improvisations for guitar bass and percussion 13 | 1 |
| Improvisations for jazz band and symphony Orchestra | 1 |
| Improvisations for orchestra and jazz soloists | 1 |
| Improvisations for sopranosopranino saxophone hithats bell | 1 |
| Improvisations for unaccompanied saxophones | 1 |
| Improvisations I | 1 |
| Improvisations II | 1 |
| Improvisations IV | 1 |
| Improvisations no 13 | 1 |
| Improvisations No 3 | 1 |
| Improvisations No 4 | 1 |
| Improvisations of Mozart | 1 |
| Improvisations on | 1 |
| Improvisations on 8 old German folk tunes | 1 |
| Improvisations on an Ellingtons theme | 1 |
| Improvisations on Bachs prelude in E flat minor | 1 |
| Improvisations on boogie woogie | 1 |
| Improvisations on Frankie and Johnny | 1 |
| Improvisations on Hungarian peasant songs op2 no3 | 1 |
| Improvisations on Hungarian peasant songs op20 no2 | 1 |
| Improvisations on Hungarian peasant songs op20no1 | 1 |
| Improvisations on prelude no 23 op 11 part IV | 1 |
| Improvisations on Sarabande | 1 |
| Improvisations on Stella by starlight | 1 |
| Improvisations on the theme of Erik Saties gymnopaedie | 1 |
| Improvisations sur ouverture | 1 |
| Improvisations VIXI | 1 |
| Improvisations XIIXV | 1 |
| Improvisatzija | 2 |
| Improvisazio | 1 |
| Improvisazione per cinque | 1 |
| Improvisazione per otto | 1 |
| Improvise | 3 |
| Improvise dont compromise | 1 |
| Improvise not compromise | 1 |
| ImproviseAh | 1 |
| Improvised action | 1 |
| Improvised Air | 1 |
| Improvised blues | 4 |
| Improvised colours | 1 |
| Improvised commentary | 1 |
| Improvised duo | 1 |
| Improvised guitar chorus | 1 |
| Improvised miniatures | 1 |
| Improvised piece I | 1 |
| Improvised piece II | 1 |
| Improvised piece III | 1 |
| Improvised piece IV | 1 |
| Improvised piece V | 1 |
| Improvised rag | 1 |
| Improvised raga | 1 |
| Improvised sentimental song | 1 |
| Improvised sequence | 1 |
| Improvised song 1 | 1 |
| Improvised song 10 | 1 |
| Improvised song 11 | 1 |
| Improvised song 12 | 1 |
| Improvised song 13 | 1 |
| Improvised song 14 | 1 |
| Improvised song 15 | 1 |
| Improvised song 16 | 1 |
| Improvised song 17 | 1 |
| Improvised song 18 | 1 |
| Improvised song 19 | 1 |
| Improvised song 2 | 1 |
| Improvised song 20 | 1 |
| Improvised song 3 | 1 |
| Improvised song 4 | 1 |
| Improvised song 5 | 1 |
| Improvised song 6 | 1 |
| Improvised song 7 | 1 |
| Improvised song 8 | 1 |
| Improvised song 9 | 1 |
| Improvised suite in 3 parts | 1 |
| Improvisees sur un menuet de Bach | 1 |
| Improviserent | 1 |
| Improviseront | 1 |
| Improvisers | 1 |
| Improvisie | 1 |
| Improvisiert stimmung mit barytone und schlagzeug | 1 |
| Improvising | 1 |
| Improvising in Meudon | 1 |
| Improvising new blues | 1 |
| Improvising simplified | 1 |
| Improvision | 1 |
| Improvision 1 | 1 |
| Improvision 3 | 1 |
| Improvision 4 | 1 |
| Improvision no 1 | 1 |
| Improvisions I | 1 |
| Improvisions II | 1 |
| Improvisization | 1 |
| Improviso | 7 |
| Improvisoir | 1 |
| improvisors | 1 |
| Improvission | 1 |
| Improvista | 1 |
| Improvisto nordestino | 1 |
| Improvisus | 1 |
| Improvizace | 1 |
| Improvizacija 1 | 1 |
| Improvizacija 2 | 1 |
| Improvizacio | 1 |
| Improvizassion | 1 |
| Improvization | 1 |
| improvizer | 1 |
| Improvo | 1 |
| Improvs and melodies of themes | 1 |
| Improvsatie | 1 |
| Improvvisamente | 2 |
| Improvvisamente la luna | 1 |
| Improvvisando in blues | 1 |
| Improvvisazione | 4 |
| Improvvisazione finale | 1 |
| Improvvisazione I | 1 |
| Improvvisazione II | 1 |
| Improvvisazione no 4 | 1 |
| Improvvisazione no 5 | 1 |
| Improvvisazione oltre | 1 |
| Improvvisazione per cinque | 1 |
| Improvvisazione su mela di odessa | 1 |
| Improvvisazione X | 1 |
| Improvvisazione XI | 1 |
| Improvvisazione XII | 1 |
| Improvvisazione XIII | 1 |
| Improvvisazione XIV | 1 |
| Improvvisazione XV | 1 |
| Improvvisazione XVI | 1 |
| Improvvisazione XVII | 1 |
| Improvvisazione XVIII | 1 |
| Improvvisazionecinque | 1 |
| Improvvisazionedue | 1 |
| Improvvisazionenove | 1 |
| Improvvisazioneotto | 1 |
| Improvvisazionequattro | 1 |
| Improvvisazionesei | 1 |
| Improvvisazionesette | 1 |
| Improvvisazionetre | 1 |
| Improvvisazioneuno | 1 |
