Jason Hershey (born 1978 in Spokane, Washington), better known as O-Shen, is a reggae musician, raised in Papua New Guinea. O-Shen resides in Hawai'i but still goes to PNG. He raps and sings most of his songs in Tok Pisin.
O-Shen's single, "Throw Away the Gun", from his album, Rascal in Paradise, was featured in the 2004 film, 50 First Dates, starring Adam Sandler and Drew Barrymore.,
Won 2001 Na Hoku Hanohano Award for Reggae Album of the Year