The St. Thomas-St. John Chamber of Commerce presents "Business After Hours" at Tillett Gardens on Thursday, Sept. 23, from 5:30 to 7:30 p.m. The co-host is Polli's Mexican Restaurant. There'll be a preview of the coming Arts Alive concert season, live music, complimentary finger food and the chamber's two-dollar bar, plus many of the shops and studios in the garden complex will be open for the evening.