Ursa and the Major Key — from left, Tyler Bosley, Eli Moore, Nelson Moore and Edward Morris — play a cover of “Fantastic Man” by Nigerian funk artist William Onyeabor at a Music on the Green concert in 2021. (Enterprise photo — Aaron Marbone)

Ursa and the Major Key, from Plattsburgh, plays to a crowd in Riverside Park under a rainbow at Wednesday’s Music on the Green concert. (Enterprise photo — Aaron Cerbone)