and his favorite musical instrument was the trombone. Although he was an accomplished player, his skills were not quite up to that of a professional musician (TNG: "11001001") and he had trouble with certain pieces, including Nightbird. (TNG: "Second Chances")
In reality, Jonathan Frakes is a trombone player and provided the audio whenever Riker was shown playing. Riker was also shown playing the trombone in TNG: "Future Imperfect", "The Next Phase", and "Thine Own Self".