25th Annual Billtown Blues Festival — noon to 10 p.m., rain or shine. Lycoming County Fairgrounds. Tickets: $25 advance, $30 at the gate. Ten hours of non-stop music on 2 stages. Lineup includes: Lil’ Ed and the Blues Imperials, Shawn Holt and the Teardrops, Kelly Richey, Brandon Santini, EG Kight, The Nate Myers Band, K.G.+3, Sean and Adam, “JT Blues” Thompson with Andy Tolins, Steve Mitchell’s “Circle of Drums.” More info: www.billtownblues.org, (570) 584-4480.
Jazz Brunch Workshop — noon to 4 p.m., Bullfrog Brewery, 229 W. Fourth St., Williamsport. Every Sunday. Free. Hosted by pianist and vocalist Greg Burgess, award-winning drummer Steve Mitchell, and bassist Bill Stetz. More info: (570) 326-4700.
Shade Mountain Winery Chamber Music -- 2:30-4:30 p.m. Shade Mountain Winery, 16140 Route 104, Middleburg. Featuring Joan Sparks on flute and Anne Sullivan on harp. Tickets: $10. More info: (570) 837-3644.
Smooth Country — 3-6 p.m., Shamokin Dam Fire Co., 3343 Old Trail, Shamokin Dam. Free. Open mic.
Pages of Paul — 6-9 p.m., Skeeter’s Pit BBQ, Victor Lane, Shamokin Dam. Free. More info: (570) 743-2727.
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