Josh Groban and Katy Perry livestream weekend concerts
Josh Groban fans were supposed to have seen their man, in all his popera glory, last Saturday at Radio City Music Hall.But while it’ll be some time before the 39-year-old star can make up that June 20 performance of his “Great Big Radio City Show” — which has been rescheduled for April 16, 2021 — that voice will still be making Grobanites swoon during a livestream concert Saturday at 4 p.m.Tickets to the intimate affair — in which Groban will be accompanied by his longtime guitarist Tariqh Aqoni and pianist Mark Stephens — are available at JoshGroban.com, where the show will stream.