The Sag Harbor Song Festival will bring six young opera stars to The Church in Sag Harbor for three programs of opera, operetta, musical theater, and more, with music ranging from Mozart and Verdi to Sondheim and Sonny Bono.

Offshore Art & Film will bring three days of screenings, artworks, and panel discussions to Montauk.

Bay Street Theater will host the Hamptons Comedy Festival, featuring four master comics, and present “Speak to Me,” the next entry in the ongoing Black Film Festival.

The Montauk Fire Department will have a blood drive on Tuesday from 2 to 8 p.m. at the firehouse, 12 Flamingo Avenue.