The line-up for SLAC Fest (Sustainable Living Awareness Concert) has been announced. The one-day event, which is being hosted by The Slip, will take place September 15 from noon 10 p.m. Performers include The Slip, John Scofield Band, UM (featuring Hal Crook, Bob Gullotti and Dave Zinno), Paul Geremia and Leslie Helpert. Advance tickets go on sale Friday August 10. Proceeds will benefit the Apeiron Foundation.

For details, visit www.theslip.com.