Beth Hart is on fire. Right now, the Grammy-nominated singer/songwriter with that celebrated burnt-honey voice is riding a creative tidal wave, firing out acclaimed albums, hooking up with the biggest names in music as a head-turning vocalist for guitar heroes like Joe Bonamassa, Jeff Beck and Slash. In 2016, the headline news is Beth’s latest album, Fire On The Floor, a release that even this fiercely self-critical artist describes as “pretty frickin’ good.” The Blues Magazine once dubbed Beth Hart “the ultimate female rock star”…