The Dallas Bach Society presents a concert at 8 p.m. Saturday at Zion Lutheran Church, Bach Suites for Unaccompanied Cello with Gyongy Erodi. Tickets are $15-$40.

The Granada Theater hosts a DJ competition Saturday. The Red Bull sponsored battle pits eight Dallas area DJs against one another in 15 minute sets. The winner gets to compete in the national competition in Las Vegas. Latter-day Beastie Boys DJ Mix Master Mike performs after the contest. Tickets are $15-$30.

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Promise of Peace is offering a class on how to prepare a garden for spring, at 2 p.m. Sunday at the Promise of Peace community garden on East Grand. It costs $15 per person or $20 per couple. For more information, contact Elizabeth Dry at edallaspop54@yahoo.com.

The Angelika starts its series “Oscar Snubs: Films that should have won Best Picture” Sunday with a 7:30 p.m. screening of “Goodfellas”. Also coming up are “Shawshank Redemption” on Feb. 22 and “Fargo” on Feb. 24. Tickets are $6. Get there early for trivia and prizes.