High Quality Content by WIKIPEDIA articles! Crush 40, formerly known as Sons of Angels, is a Japanese-American hard rock band formed in 1997 that is best known for their contributions to the soundtracks of several video games, predominantly the Sonic the Hedgehog series. The core of the group is the hard rock guitarist and video game composer Jun Senoue and vocalist Johnny Gioeli, who is also the vocalist for the bands Hardline and Axel Rudi Pell.