The Bucks County Jazz Festival features sets by IMPRINT, the Pennridge High School jazz combo, and the Quakertown High School Jazz Band. Also on tap, a "New York-style" brunch. For all ages. $10. Noon to 5 p.m. Puck's Patio, Printers Alley, Doylestown. Performances by Frank DiBussolo and Jack Wilkins from 5 to 8 p.m. at Puck's Patio (adults only). $15.
New Hope's Gratz Gallery & Conservation Studio hosts a fine art auction to benefit the Salvation Army Kroc Center Project. The collection highlights works by Pennsylvania Impressionists and artists from the Pennsylvania Academy of the Fine Arts. The public is invited to preview the sale and register for bidding before the auction from 10 a.m. to 1:45 p.m. Event at Eagle Fire Company, 46 Sugan Rd., up the street from the gallery. 2 p.m. start.
Concert vocalist and baritone Phillip Mentor performs at the Michener Art Museum as part of "A Spiritual Odyssey: Special Music Presentation." The program is organized in celebration of the traveling exhibition "Color: Ten African American Artists." 2 to 4 p.m. Museum at 138 S. Pine St., Doylestown. $15; $5, students; museum admission included.
Live dance music
Crossing Vineyards & Winery starts its "Summer Under the Stars" concert series with Generation Next, a pop-dance band that plays hits from the '70s and '80s. $10. 7 p.m., rain or shine. (Picnic dinners available, but must be ordered in advance.) Seating provided for those ordering picnic suppers; others may bring lawn chairs. 1853 Wrightstown Rd., Washington Crossing.