Singer and pianist Michael Feinstein, backed by a jazz band, hosts his annual holiday show — which the New York Times has termed “as much a Christmas season ritual as catching the Rockettes at Radio Music Hall or visiting the Rockefeller Center Christmas Tree” — in the newly re-named Feinstein’s/ 54 Below. 254 W. 54th St. Dec. 20-24, 7 p.m.; Dec. 25, 7:30 p.m.; Dec. 26 & 28-30, 7 & 9:30 p.m. Tickets are $85-$155 at 54below.com or 646-476-3551, with a $5 surcharge on ticket purchase at the door. Food & drink minimum is $25; $85 for prix fixe menu on Christmas.