OSU Marching Band
Artist with the following albums: "1999 Cowboy Marching Band", "Hail to OSU", "OSU - The 1995 Oklahoma State University Marching Band", etc...

OSU Men's Glee Club
Artist with "How Firm Thy Friendship" album

Osukaru
Artist with the following albums: "GBG2LA", "Never Too Late", "Transition"

Osumare Drums
Artist with the following albums: "Sounds of Africa", "Jungle Beats"

Osumi
Artist with "control" album

Osunlade
Artist with the following albums: "The Yoruba Soul Mixes", "Elements Beyond", "El Primer Ano", etc...

Osunlade Presents Yoruba Records
Artist with the following albums: "Cinco Anos Despue (5 yrs on)", "Cinco Anos Despue (5 years on)"

OSUSHI PROJECT
Artist with "OSUSHI PROJECT 1" album

Osuuskuntaorkesteri solistinaan Ismo Alanko
Artist with "" album