Flash back to the past in Bay Ridge

Turn back the clock with music from decades past this weekend in the Ridge!

On Friday night, go, go, go grease lightning down to Narrows Botanical Gardens (Shore Road at 72nd Street) to take in the classic love story of Danny and Sandy in “Grease” — a movie from 1978 set in the 1950s. Enjoy the free screening of the two-hour musical in the verdant garden beginning around 8:30 pm — and don’t forget a blanket to stretch out on.

On Saturday, parade to the Brooklyn Firefly (7003 Third Ave. at Ovington Avenue) to take in the Big Easy-inspired tunes of the Baby Soda Jazz Band, who blend early 20th-century Dixieland sounds with jug tunes and Southern gospel music. The free two-hour set starts at 8 pm.

And on Sunday, waltz over to the Greenhouse Café (7717 Third Ave. between 77th and 78th streets), where crooner Martin McQuade will celebrate the 105th birthday of lyricist Sammy Cahn with a free, three-hour performance of some of his hits that Sinatra made famous, including “Come Fly with Me,” “All the Way,” and “Call Me Irresponsible.” McQuade will hit his first high note at 6 pm.

Once the weekend is over, you have a few days to turn the pages of “The Perfect Mother,” a psychological thriller about a group of Park Slope moms looking for a missing baby, from Brooklyn author Aimee Molloy. Then head to the Bookmark Shoppe (8415 Third Ave. between 84th and 85th streets) on Thursday night at 7 pm, where a group of neighborhood bibliophiles will discuss the book with the author. The event is free, but the book costs $19.

Reach reporter Julianne McShane at (718) 260–2523 or by e-mail at jmcsh[email protected]nglocal.com. Follow her on Twitter @juliannemcshane.