D.J. Butler 
Hellhound on My Trail [EPUB ebook] 

In this urban fantasy, a musician with a death wish goes up against a demon from hell with help from the members of his rock band.   Bass player Mike Archuleta is down on his luck in a major way. The shattered survivor of a misspent youth, he is haunted by the ghost of his dead brother, and is now driven to planning his suicide. Halfway through the show that's supposed to be his last, a hellhound bursts into the club and attacks the band. The band members pull out karate moves, guns, and even a sword . . . and then things start to get strange. Can Mike survive the show? What can he do about his brother’s ghost? And what kind of band is this, anyway?