Dreoil&iacute;n Low D Irish Tin Whistle from ethniwind.com Low D Key, plays 2+ Octaves of a D Major Scale (most common key for Irish music) Inline Holes for either left or right hand on top style of playing Tunable - Gently twist mouthpiece out to lower the pitch slightly Hand Crafted and Hand Tuned to Concert Pitch A440 All man made materials. This makes this whistle impervious to moisture clogging the windway, or tuning issues due to temperature and humidity.