By Don Heckman Bel Air, CA.  Alan Bergman made one of his too-rare club appearances Wednesday night in an utterly captivating performance at Herb Alpert’s Vibrato Grill Jazz…etc.   It’s always a pleasure to hear songwriters do their own music.  And even more fascinating when the songwriter is as fine a performing artist as Bergman.  In… Read More Live Music: Alan Bergman at Vibrato Grill Jazz…etc.