Celebrate National Night Out and Movies Under the Stars in Diamond Bar tonight. Music fills the night air on Wednesday evenings in Sycamore Park.

Concerts begin at 6:30 p.m. Free parking and handicapped accessible shuttle service is available at the Diamond Bar Golf Course and Sycamore Canyon Park, beginning at 5:30 p.m.

Dogs, and other pets, with the exception of registered assistance guide dogs are discouraged due to safety issues and expected large crowd and loud noise conditions.

The band tonight is Cold Duck, a ’70s top 40 band followed by the family movie “Rise of the Guardians.”