O.A.R. is an American rock, jam band founded in 1996 in Rockville, Maryland by lead vocalist Marc Roberge and drummer Chris Culos.
Oasis were an English rock music band formed in Manchester in 1991, to date the band have sold over 70 million records worldwide.
The Offspring are an American punk rock band from California & are considered one of the best-selling punk rock bands of all time.
Ozzy Osbourne is a singer, songwriter & television personality who rose to prominence as the lead vocalist of the band Black Sabbath.