By Don Heckman The stage was almost empty Tuesday night at Vibrato Grill Jazz…etc.  Almost, that is, except for one notable exception. Seated at the club’s large concert grand, pianist/arranger/composer Alan Broadbent performed several generous sets over a memorable three hours.  Originally scheduled as a duo with bassist Pat Senatore, it became a solo night… Read More Live Jazz: Alan Broadbent at Herb Alpert’s Vibrato Grill Jazz…etc.