This weekend marks the unofficial end to summer and it’s the final weekend for free concerts at the Locks. The line-up this weekend includes the Patria Band (Country Gospel Music) from 2 to 3 p.m. on Saturday, Dissonance Jazz Combo from 2 to 3:30 p.m. on Sunday. The Michael Clune & Sleep till Noon Band wraps up the weekend with a free concert on Monday, Labor Day, from 2 to 3 p.m.