MUSIC

The AnnArbor.com Summer Concert Series on Friday will feature Bill Edwards. Noon-1 p.m. Bring your lunch and enjoy the sounds of summer. Edwards is best described as a performing songwriter. Blessed with a strong voice and great guitar skills, it’s his original songs that set him apart. His song “What’d I Do?,” co-written with former Ann Arborite Whit Hill, was featured recently in the hit HBO series "True Blood." Free. On the patio on the corner of South Fifth Avenue and East Liberty Street in downtown Ann Arbor.

CARS

Milan Dragway's "Heads Up Racing" will also have a "Run What You Brung" event on Friday. Spectator gates open at 3 p.m. It will be a big day of racing and fun. There will be a 16-car field. Prizes will be $5,000 to the winner; $1,000 to the runner up. Plus, there will be fireworks at dusk, music and a bonfire. Spectators: $15; ladies and kids 12 and under get in free. The track is located at 10860 Plank Road, Milan. Get more information at www.milandragway.com.

ENTERTAINMENT

The Ann Arbor Summer Festival main-stage show will feature "Circa" at the Power Center on Friday and Saturday. 8 p.m. In a jaw-dropping fusion of acrobatics, aerial stunts, extreme tumbling, and contemporary dance, the company’s signature style combines physical beauty, formidable talent, and a barrage of sound, light, and projection. $45, $40, $35, $25, $10 for kids. Tickets available by phone at 734-764-2538, online through the festival website at A2SF.org, or in person at the Michigan League Ticket Office at 911 N. University Ave. The Power Center is at 121 Fletcher St., Ann Arbor. 734-763-3333. Read about them here.

MUSIC

Friday is the first day of the 2012 "Crossroads Music Festival" in downtown Ypsilanti and at the Ypsilanti District Library. In the Library Plaza, 6 p.m.: Beverly Meyer, the Music Lady. (229 W. Michigan Ave. 734-482-4110. Event held inside in case of rain.) At the Crossroads Festival, 7 p.m.: Bull Halsey and 8:45 p.m.: The Martindales. On N. Washington, between Pearl and Michigan Ave. Get more information at www.ypsicrossroads.org/.