What’s Hot in the City August 21st weekend

It’s a festival and music-filled weekend in and around the city. Here’s a look at what’s hot!

Scullers Jazz Club presents singer Bobby Caldwell on Friday and Saturday night for two shows each night at 8 p.m. and 10 p.m. Show: $40; Dinner & Show: $80; www.scullersjazz.com.

Beginning this Friday thru Sunday, the 8th Annual Boston GreenFest takes place on City Hall Plaza. The multicultural environmental festival includes a host of activities from live music and dance performances to an Eco Fashion show exhibits on green living. Admission: Free. For a complete schedule, visit www.bostongreenfest.org.

Lawn On D hosts the Bean Festival on Saturday, community music and arts festival, featuring live music, DJs, children’s activities, and interactive art installations from 12 noon – 10 p.m. For more information, visit www.lawnond.com.

This Saturday, comedian Michael Blackson performs at The Wilbur at 7 p.m. Tickets: $20; www.ticketmaster.com.

On Sunday, The Sinclair presents rapper Gift of Gab and DJ/producer Chief Xcel, better known as the hip hop duo Blackalicious for one show along with the New Breed Brass Band and Fran-P at 8:45 p.m. Tickets: $20 advance; $25 day of show; www.sinclaircambridge.com.