This weekend in Brown County

Today

The Birth of Rock ā€˜Nā€™ Roll

With Eric Brown, Michael Schulbaum, Ross Martinie Eiler, band, guitars, piano, Brown County Playhouse, 70 S. Van Buren St., 7:30 p.m., $20.50 per adult, $19.50 per senior/student/military. Information: browncountyplay house.org or 812-988-6555.

Saturday

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Celtica

Irish quartet, Pavilion at Village Green, Main and Jefferson streets, 5 p.m., free, lawn chairs suggested, part of Pavilion Music Series. Information: Tim Meyer, 317-442-3047.

Sunday

Leaf hike

Guided hike from state park Nature Center, 2 p.m., park entrance fee applies.