Inclusion Criteria:  diagnosed with PD independent walking short community and household distances with or without assistive device able to participate in a 1-hour class once a week for ten weeks  Exclusion Criteria:  change of Parkinson's medication or deep brain stimulation parameters within 2 weeks prior to or during the study inability to grasp 2-inch diameter "drum sticks" any conditions with contraindications to lift upper extremities overhead any medical restrictions to exercise