Join host Seth Rudetsky for a virtual concert and conversation with comedian and actress Ana Gasteyer on Sunday, December 6th, at 8 p.m.; encore Monday, December 7th, at 3 p.m. Tickets are $25 at thesethconcertseries.com. Gasteyer is best known for her work on Saturday Night Live — she wrote the famous “Muffin Top” sketch with Betty White — and has appeared on film and on Broadway.