Friday, May 16
Over the past three-plus decades, Sleepy Wonder has slipped effortlessly and successfully between the spheres of dancehall reggae, rap and electronica, most famously with Thievery Corporation, members of which join him for tonight’s show at Empire (575 Congress St., Portland), with local reggae faith-keepers Royal Hammer opening at 9:30 p.m. Tix: $10 (21+). 747-5063. portlandempire.com.
Saturday, May 17
Mascot rockers The Kastaways warm up the crowd in front of Hadlock Field (271 Park Ave., Portland) for today’s 1 p.m. game between the Portland Sea Dogs and the Trenton Thunder. Tix: $8-$10 ($5-$9 kids and seniors). 879-9500. seadogs.com.
Sunday, May 18
Symphony of Soil is a beautifully filmed and highly enlightening documentary about the subterranean wonders at work in the stuff we dismissively refer to as “dirt.” A discussion with filmmaker Deborah Koons Garcia, organic farmer Eliot Coleman, and Leslie Oster of Aurora Provisions follows the 2 p.m. screening at the Portland Museum of Art (7 Congress Square). Tix: $10. 775-6148. portlandmuseum.com.