Four unidentified musicians at the Radisson Hotel

Four musicians performing at an event at the Radisson Hotel in Kansas City, Missouri. The man on the left is playing trumpet while facing left. A man, likely Al Bartee, sits playing a drum set. A man, likely Dwight Foster, sits with his back to the camera playing the piano. The man on the right is playing and electric bass guitar while looking at music on a stand. Other instruments are scattered around the room.