Yes, Adrian Dunbar has demonstrated his ability to play the piano, notably through his performance in the BBC drama Ridley.
In Ridley, Dunbar took on the role of a retired detective who is also a jazz pianist, a part that required him to be seen playing the instrument. This role, coupled with his publicly showcased vocal talents—including singing on The Late Late Show in Ireland—underscores his engagement with music beyond acting. His performances indicate a versatile artistic range, incorporating both acting and musical skills.