During the 1990s and mid 2000s, Tempe and Mesa tended to be the epicenters of the Valley music scene. But once venues like Nita's Hideaway and the Clubhouse began to close, the East Valley's stronghold on music venues waned. That void in music venues was filled by downtown Phoenix's Crescent Ballroom in 2011, which has just been named one of the best music venues in America. Music website Consequence of Sound just ranked "The 100 Greatest American Music Venues," and Crescent Ballroom landed at…