The D pipes are most often Utilized in ensembles, when the flat-pitched pipes tend to be more normally utilized for solo playing – usually fiddlers will tune down their instrument to Enjoy having a piper's flat set, although the inflexibility of other devices Utilized in Irish tunes (accordions, flutes, etcetera.) https://vocal.media/art/elevating-craftsmanship-the-charm-of-ceramic-pipes-by-cosmos-art-ceramics