There are multiple artists with this name:
1) A christian jazz band.
2) A 60s/early 70s Christian psychedelic band. 1)
Koinonia was a Christian jazz band that published several primarily instrumental recordings between 1982 and 1990, when the band disbanded. The band consisted of several Los Angeles based R&B session musicians: Alex Acuña (formerly of Weather Report) (percussion)
Abraham Laboriel (bass)
Justo Almario (sax, flute, and wind controller)
John Phillips (woodwinds)
Lou Pardini (keyboards and vocals)


Read more about Koinonia on Last.fm.