It's the last Friday of the month, so that means The South Main Trolley Art Tour, 6 to 9 p.m. While you're downtown, check out the opening reception for Greg and Christine Long's "Ireland, Tradition, and Today: A Marriage of Art" at Durden Gallery, 6 to 9 p.m. MCA's MFA candidates are showing what they learned at various sites around town; check out mca.edu or call 272-5111 for more information. "and Everything's Picking Up Speed," an exhibit featuring the work of seven artists from around the country, opens at Material. "Red Thread" is a one-night-only art show curated by Rhodes student Tamara Glas as part of the school's gallery-management class. This show includes works from nine artists from five countries and is being held at Congo Theatre at the First Congregational Church, 6 to 9 p.m. And, yes, we do know today's the first of the three-day Memphis in May Beale Street Music Festival. There's a whole Flyer supplement devoted to the event, including schedules, artist bios, and a map, somewhere in this paper. Check it out.