Panic! At The Disco Bio:
Panic! at the Disco is a Grammy-nominated rock band formed in Las Vegas, Nevada. The band comprises Brendon Urie (vocals) and Spencer Smith (drums). In July 2009, both Ryan Ross (guitar, vocals) and Jon Walker (bass) left the band citing creative differences as the reason for their depature. Ross and Walker have since to form their own band, The Young Veins.