Onagram	Percewood's Onagram	Ameurope	1004
OneUp	Crozier Trevor & his friends	Trouble over bridgewater	OU 2185
Open	Fosset Marc & Caratini Patrice	Le chauve et le gaucher	OP 12
Orizzonte	Yamash'ta Stomu & Come to the Edge	Floating music	ORL 8082
Ovation	Rich Mounatin Tower	Rich mountain tower	OV/14-12
Ovation	Schory Dick	Carnegie Hall	OV/12-10-2
Owl	Blake Ran	Third stream recompositions	17
Owl	Konitz Lee, Petrucciani Michel	Toot sweet	28