1) Ars Nova (American band)
Classical/Progressive Rock band active from 1967 to 1969. Members:
Wyatt Day (guitar),
John Pierson (vocals, bass, trombone),
Sam Brown (guitarist), (guitar),
Jimmy Owens (jazz) (trumpet, cornet),
Art Koenig (bass),
Maury Baker (drums)
Jo Hunt (drums).
2)
Ars Nova is a Japanese Progressive/Symphonic Rock band. The current members are Keiko Kumagai (keyboards), Shinko "Panky" Shibata (bass guitar), Hazime (drums) and Satoshi Handa (guitar).

Read more about Ars Nova on Last.fm.