Crush 40, formerly known as Sons of Angels, is a Japanese-American hard rock band formed in 1997. The core of the group consists of guitarist and composer Jun Senoue and vocalist Johnny Gioeli. Currently, their line-up for live shows also includes bassist Takeshi Taneda and drummer Toru Kawamura, and they are also present on recent songs.
They are known for their contributions to several video game soundtracks, and their songs, including the signature songs, "Open Your Heart" and "Live & Learn", are well known among Sonic the Hedgehog fans.
Crush 40 has released two studio albums (One of which was under their original name of Sons of Angels), an EP, two live albums (One of which features four new studio tracks), and a compilation album. The group debuted with the album Thrill of the Feel, which included the songs they did for NASCAR Arcade and Sonic Adventure, released exclusively in the Japanese market through Victor Entertainment.
The main songwriter for Crush 40 is Johnny Gioeli, while the main composer of the songs is Jun Senoue.