Live event discovery service Thrillcall has released a new app for the iPhone and iPod touch designed to help music fans quickly and easily search for, discover and purchase concert last-minute tickets on the go. The Thrillcall Live Music app provides access to accurate, up to the minute concert listings for San Francisco and Los Angeles, with listings coming soon for Austin, New York and Portland. Designed with a focus on spontaneity, Thrillcall…