Sunday, Jan. 18, 4:30 p.m. – The Heritage Winter Classics concert series continues by welcoming Big Mike Geier and his Kingsized Jazz Quartet. Big Mike Geier’s baritone is influenced by the vocal stylings of Joe Williams, Tony Bennett, Oscar Brown, Jr. and Sinatra. The quartet is known for their Elvis Royale and Holiday Jubilee shows. $5 per person. Heritage Hall, the lower level of Heritage Sandy Springs, 6110 Bluestone Rd., Sandy Springs, 30328. For details, email: events@heritagesandysprings.org or call 404-851-9111.