Odd Dog
Odd Meter Ensemble
Groove / Jazz
 (Germany, Russian Federation)
Odd Meter Ensemble
Jazz (Germany)
Offshore Quintett
Ofrin "Acoustronic" Duo
(Germany)
Oh, my music! Labelnight
Ohne Frack auf Tour - Die Staatskapelle in der Neustadt
Okapia Johnstoni
Oktopuzzle
Oleg Baltaga Trio
Olga Reznichenko Quartett
Jazz (Germany, Russian Federation)
Olga Reznichenko Trio
Jazz (Germany, Russian Federation)
Olivanti I Moritz I Lauer I Gerigk
Olivanti Raineri Duo
Jazz (Brazil, Italy)
Olivanti / Gerigk / Raineri
Olivanti / Tschubenko Analog Duo
Jazz
Olivanti / Tschubenko Duo
Jazz
Oliver Herlitzka Quintet
Jazz (Germany)
Oliver Klemp Band
(Germany)
Ondrej Pivec ORGANIC Quartet
Jazz (Czech Republic)
Ondřej Štveráček Trio feat. Jesse Simpson (USA)
Jazz (United States, Czech Republic)
OneManArmin & Band
Hip Hop / Groove (Germany)
Open Trio
Jazz (Sweden)
Oporto
OPTIONS / 2
Orbit
Orbit Kid
Jazz / Pop (Germany)
Organ Clash
OrganClash
ORGANisation
Groove
ORGANisation MEETS
Organlogistics
(Italy)
Organtransplant
Orgelcombo der HfM
ORIAN
(Ireland)
Ornette is Back
Oswald
Other Hours - Tunes von Harry Connick Jr.