August means Montavilla Jazz Festival time. This nonprofit, neighborhood festival features local artists on the forefront of creative expression performing new compositions with their ensembles. Performances are all held at Portland Metro Arts, 9003 SE Stark St. Saturday and Sunday August 18 and 19.

Jazz Fest headliner Randy Porter

This year’s headliner is pianist Randy Porter. He and his trio (John Wiitala on bass and Todd Strait on drums) perform music from his Grammy-nominated album Porter Plays Porter featuring Nancy King’s vocalese and supple stylings at 8 pm on Sunday August 19.

Other sets this year are from Nicole Glover Quartet; Dmitri Matheny and Darrell Grant’s new chamber jazz works;  Farnell Newton  Evolution; Portland Jazz Composers Ensemble featuring James Miley and the Watershed Suite honoring Oregon’s waterways; Tim Willcox; The George Colligan Trio; Christopher Brown; Creative Music Guild’s Sound Foundry; Alan Jones and Social Music; Ryan Meagher’s Evil Twin; Shao Way Wu and Salting with Randy Porter, and Jason Palmer.

Both days the doors open at 1 pm. Music commences at 1:30 pm and there’s an evening Jam Session after Saturday’s performances at East Glisan Pizza Lounge, 8001 NE Glisan St, beginning at 9 pm.

A limited number of reserved seating and VIP tickets can be purchased in advance at tickettomato.com. General admission passes are sold at the door during Fest. Seating is limited, and no refunds will be given. Day passes are $15. Jazz Fest offers Oregon Trail cardholders the opportunity to purchase up to two day passes for $5 each when presenting the Oregon Trail card at the box office.

See the complete lineup and schedule at montavillajazzfest.com.