Jazz & blues standards by an ensemble led by WCC jazz guitar instructor Somers.

A trio from the Malty Taskers that plays traditional Irish music and Irish pub songs.

Local 10-piece big band led by tubaist Chris Smith that specializes in the old-time big band music of the late 1920s and early 1930s associated with Jelly Roll Morton and King Oliver.

Local ensemble led by vocalist Wilkinson, a veteran nationally known straight-ahead jazz singer.

Forward-thinking contemporary bluegrass ensemble led by Wellington, an acclaimed banjo player known both for his technical prowess and unique phrasing. “If bluegrass is about spotlighting virtuosos, here’s a new one people will be checking in on for some time to come,” writes the Wall Street Journal. $29.

Jazz ensemble led by Kenji Lee, a local saxophonist whose expressive brand of jazz draws on Japanese folk music, Western classical music, and punk.

All acoustic performers invited. Fifteen acts are selected randomly from those who sign up (doors open 7:30 p.m.) to perform 8 minutes (or 2 songs) each. The most talented and popular Open Stage performers are offered their own evenings at the Ark. $3 (members & students, free).

Early jazz classics from Scott Joplin and Bessie Smith to Louis Armstrong and beyond by this veteran local septet led by trombonist Terry Kimura.

All acoustic musicians invited. Hosted by Skinned Knees.

Jazz ensemble led by this Kalamazoo saxophonist.

Folk-rock & Americana duo from Hillsdale who write story songs heavily influenced by Bob Dylan and Gregory Alan. Free; nonperishable donations for Food Gatherers accepted.

Detroit-area ambient-pop singer-songwriter. 5:30–6:30 p.m. Free.

Ann Arbor-bred, NYC-based ukulele player and stand-up comic known for his up-beat and entertaining live shows.

All invited to present a song, story, poem, monologue, comedy bit, magic act, other performance. Hosted by Annie Bacon & Forrest Hejkal. Sign-up starts at 6:30 p.m. 7–10 p.m. $5.

Experimental jazz improvisations by this ensemble led by veteran Japanese vocalist-keyboardist Sekine.

A fiery fusion of twangy outlaw country and punk by this non-binary North Carolina singer-songwriter & guitarist who recently changed their name and embarked on a solo career after years fronting the popular alt-country band Sarah Shook & the Disarmers. “There’s always been a conspiratorial smokiness in their singing, a crackle of long nights and bleary mornings penetrating their drawl,” writes Pitchfork in a review of Shook’s brand-new self-titled album. “They’ve learned to augment that intuitive gruffness with subtler and sweeter melodies.” Opener: Moe Reen, an acclaimed young country-folk singer-songwriter from Ohio. $29.

All ages. Popular Alabama country singer and YouTuber whose music features gritty contemporary country lyrics sung over hip-hop trap beats. Opener: Caitlynne Curtis, a contemporary country singer-songwriter from Nashville. $25.

Jazz ensemble led by this local vocalist. 5:30–6:30 p.m. Free.

Jazz favorites by the trio of pianist Jeff Fessler, bassist Will van Campen, and saxophonist Jeff Kopmanis.