The Ark: Millish
Local quartet that plays a brand of Irish-worldbeat fusion that explores the links between traditional Irish music and roots music from Scotland and Brittany, Eastern Europe, the Middle East, Spain, and America. Led by All-Ireland champion uilleann piper Tyler Duncan, whose composition "The Mighty Pickle" won 1st place in the open category of the 2005 International Acoustic Music Awards, the band also includes guitarist Jesse Mason, fiddler and mandolinist Brad Phillips, and percussionist Mike Shimmin. Opening act is Breathe Owl Breathe, a local duo originally from East Jordan, Michigan, who perform acoustic folk-rock set to atmospheric, intricately textured instrumental and vocal landscapes. $15.

The Blind Pig: Farewell Republic
Local neopsychedelic ambient rock quartet. Opening act is Lightning Love, a local keyboard-driven minimalist pop trio.

The Circus: "Live Rock 'n 'Roll Karaoke"
Karaoke with prerecorded rhythm tracks and live guitars and keyboards by the Hartland trio Double Take.

Club Above: "Girl Bar in Ann Arbor"
Ladies night with dance music by a DJ.

Conor O'Neill's:
Jerry Sprague Band. Roots-rock band led by veteran local singer-guitarist Sprague.

The Earle: Jake Reichbart
Solo guitarist.

Elbow Room: "Mofo Karaoke."
With "the standard karaoke playlist crap plus 2,500+ obscure and awesome songs."

The Firefly Club: Los Gatos
Mambos and cha-chas by this local Latin jazz band that specializes in the music of Cal Tjader, the late San Francisco vibes player who ignited the 1950s mambo craze. Led by drummer Pete Siers, the group also includes vibes player Cary Kocher, bassist Kurt Krahnke, pianist Brian DiBlassio, and percussionist Jonathan Ovalle. Preceded at 7 p.m. by Latin dance lessons ($5 includes cover for the band). 8-11 p.m.

Goodnite Gracie: Laith Al-Saadi
An eclectic mix of jazz, blues, R&B, Motown, and pop, including many originals, by a trio led by this local singer-guitarist.

Live at PJ's:
DJ spins old-school dance records.

Melange Subterranean Bistro: Lucas Paul Band
Local quartet led by pop-rock singer-songwriter Paul.

The Necto: "College Night"
DJ Hardy spins Top 40 and hip-hop records.

The Quarter Bistro: Steven Springer.
Roots-rock, reggae, dancehall, and calypso by this former Trinidad Tripoli Steel Band singer-guitarist, winner of 4 consecutive Detroit Music Awards for Best Guitar Player. Some weeks, Springer is joined or replaced by jazz pianist John Hobart.

Rick's American Cafe: DJ Equinox
DJ spins dance records.

TC's Speakeasy: "Happy Hour Acoustic Sessions"
(6-9:30 p.m.) Popular local rock 'n' roll singer-songwriter John Latini hosts an acoustic open mike. Sign-up begins at 5:30 p.m.

TC's Speakeasy: Aleph-1
Local progressive electroacoustic trip-hop band. Opening acts is Papadosio, an eclectic roots-rock electonica jam band from Athens, Ohio.