| Tune name | Sessions |
| Impromptu ensemble no 1 | 1 |
| Impromptu esdur op 90 nr 2 | 1 |
| Impromptu festival | 1 |
| Impromptu for a mensch | 1 |
| Impromptu for two pianos | 1 |
| Impromptu from three little oddities | 1 |
| Impromptu good night | 1 |
| Impromptu I op29 | 1 |
| Impromptu in bflat minor | 1 |
| Impromptu in D | 1 |
| Impromptu in F major opus 36 no2 | 1 |
| Impromptu in G flat | 1 |
| Impromptu in two keys | 2 |
| Impromptu lateral drop | 1 |
| Impromptu monderne | 1 |
| Impromptu No 1 | 1 |
| Impromptu No 3 | 2 |
| Impromptu No 4 | 1 |
| Impromptu no 4 in Csharp minor op66 Fantasie impromptu | 1 |
| Impromptu no 5 | 1 |
| Impromptu of blue | 1 |
| Impromptu op 90 no 3 | 1 |
| Impromptu opus 66 | 1 |
| Impromptu samba | 1 |
| Impromptu sentimental | 1 |
| Impromptu too | 1 |
| Impromptude | 1 |
| Impromptulm | 1 |
| Impromptume | 1 |
| Impromptune | 2 |
| Impromptwo | 1 |
| Impromtu | 1 |
| Impromtu ensemble | 2 |
| Impromtus necio | 1 |
| Impronippo | 1 |
| Impronte | 2 |
| Improntrio | 1 |
| ImpropreDuke | 1 |
| Improptu dynamics | 1 |
| Impropture | 1 |
| Improscope 1 | 1 |
| Improscope 2 | 1 |
| Improscope 3 | 1 |
| Improscope 4 | 1 |
| Improscopics 1 | 1 |
| Improscopics 2 | 1 |
| Improscopics 4 | 1 |
| Improscopics 5 | 1 |
| Improstinato I | 1 |
| Improstinato II | 1 |
| Improsurchroma | 1 |
| Improtale 1 | 1 |
| Improtale 2 | 1 |
| Improtale 3 | 1 |
| Improtale 4 | 1 |
| Improtheme | 1 |
| Improtune | 1 |
| Improv | 14 |
| Improv 1 | 16 |
| Improv 1 Approaching sea level | 1 |
| Improv 1 Clothespins in a row | 1 |
| Improv 1 Philipp Wachsmann | 1 |
| Improv 10 | 1 |
| Improv 11 | 1 |
| Improv 11 caveman reverb | 1 |
| Improv 12 | 1 |
| Improv 2 | 17 |
| Improv 2 drum solo | 1 |
| Improv 2 Evan Parker | 1 |
| Improv 2 from second session | 1 |
| Improv 2 Thats what you get | 1 |
| Improv 3 | 11 |
| Improv 3 Barnacle living | 1 |
| Improv 3 Eddie Prevost | 1 |
| Improv 3 part 111 | 1 |
| Improv 4 | 8 |
| Improv 4 Hugh Davies | 1 |
| Improv 5 | 5 |
| Improv 6 | 5 |
| Improv 7 | 4 |
| Improv 8 | 3 |
| Improv A | 2 |
| Improv B | 2 |
| Improv box set | 1 |
| Improv C | 1 |
| Improv challenge | 1 |
| Improv D | 1 |
| Improv five | 1 |
| Improv for Aubrey | 1 |
| Improv for Mulgrew | 1 |
| Improv four | 2 |
| Improv G | 1 |
| Improv Grachan | 1 |
| Improv I | 1 |
| Improv in a minor | 1 |
| Improv on The mood for love | 1 |
| Improv one | 1 |
| Improv six | 1 |
| Improv sparrows | 1 |
| Improv three | 2 |
| Improv two | 3 |
| Improv variation | 1 |
| Improv with didgeridoo in bell 1 | 1 |
| Improv with didgeridoo in bell 2 | 1 |
| Improvalostic | 1 |
| Improve | 2 |
| Improve your groove | 1 |
| Improved | 1 |
| Improvement | 1 |
| Improvement and impoverishment | 1 |
| Improviastionmusik | 1 |
| Improvisacao | 1 |
| Improvisacao livre | 1 |
| Improvisace | 2 |
| Improvisacio serial | 1 |
| Improvisacion | 4 |
| Improvisacion 90 | 1 |
| Improvisacion en siguirilla | 1 |
| 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 |
| Improvisaciones sobre boogie woogie | 1 |
| Improvisaciones sobre yemaya | 1 |
| Improvisada | 1 |
| Improvisaient | 1 |
| Improvisando cha cha | 1 |
| Improvisasjon | 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 | 185 |
| Improvisation & nebula | 1 |
| Improvisation & prelude | 1 |
| Improvisation 0 | 1 |
| Improvisation 072992 a | 1 |
| Improvisation 072992 b | 1 |
| Improvisation 072992 c | 1 |
| Improvisation 1 | 76 |
| Improvisation 10 | 10 |
| 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 | 8 |
| 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 | 66 |
| Improvisation 2 blues | 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 | 1 |
| Improvisation 27376 | 1 |
| Improvisation 28 | 1 |
| Improvisation 3 | 53 |
| Improvisation 4 | 40 |
| Improvisation 41 | 1 |
| Improvisation 47 | 1 |
| Improvisation 5 | 30 |
| Improvisation 5010 | 1 |
| Improvisation 5012 | 1 |
| Improvisation 5016 | 1 |
| Improvisation 5018 | 1 |
| Improvisation 5020 | 1 |
| Improvisation 5021 | 1 |
| Improvisation 6 | 22 |
| Improvisation 61696 | 1 |
| Improvisation 7 | 17 |
| Improvisation 73 | 1 |
| Improvisation 77 | 1 |
| Improvisation 8 | 14 |
| Improvisation 9 | 11 |
| 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 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 Low | 1 |
| Improvisation for orchestra 2 | 1 |
| Improvisation for orchestra 3 | 1 |
| Improvisation for the march of time | 14 |
| Improvisation for Tombak | 1 |
| Improvisation for trio | 1 |
| Improvisation for unaccompanied saxophones | 1 |
| Improvisation for voice piano and guitar | 1 |
| Improvisation four | 4 |
| Improvisation Freddy | 1 |
| Improvisation from Five piano rhapsodies | 1 |
| Improvisation from Tensakunohana | 1 |
| Improvisation group | 1 |
| Improvisation I | 19 |
| Improvisation I Statues | 1 |
| Improvisation II | 20 |
| Improvisation II Letter to the editor | 1 |
| Improvisation II When I think about you I hate myself | 1 |
| Improvisation III | 11 |
| 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 | 8 |
| 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 | 14 |
| Improvisation no 1 for AEOC | 1 |
| Improvisation no 1073 excerpt 1 | 1 |
| Improvisation No 1Teen town | 1 |
| Improvisation no 2 | 24 |
| 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 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 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 Greigs Norwegian dance | 1 |
| Improvisation on halfinet | 1 |
| Improvisation on How deep is the ocean | 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 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 | 4 |
| 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 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 temple block | 1 |
| Improvisation three | 3 |
| Improvisation two | 4 |
| Improvisation uber Mehrklange | 1 |
| Improvisation uber mondvalzer | 1 |
| Improvisation V | 6 |
| Improvisation VerlyChevallier | 1 |
| Improvisation VI | 4 |
| 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 X | 1 |
| Improvisation XVI | 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 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 |
