DANCIN' IN THE STREETS: Put on your dancing shoes and head over to Union Square at 6 p.m. for swing dancing lessons followed by an open dance floor. Admission is free.
BLAST FROM THE PAST: Missed Woodstock? Weren't born before 1969? Head over to The Mountain Winery in Saratoga for the "Heroes of Woodstock" concert featuring Jefferson Starship, Big Brother, Canned Heat and other Woodstock performers. The show starts at 7 p.m.