By Don Heckman – Oct. 9. (Thurs.) Scott Snapp and Sally Kellerman. It’s an offbeat booking, with Snapp, who defines his singing/songwriting as Theatrical Pop, as the headliner, and Kellerman as “special guest.” But any appearance by Sally is stellar, and everything she sings deserves top billing. Vibrato Grill Jazz…etc. (310) 474-9400. – Oct. 10.… Read More Picks for a Long Weekend: Oct. 9 – 12 in Los Angeles, New York City and London