piping
1. pip.ing \'pi--pin\ n 1a: the music of a pipe 1b: a sound, note, or call like that of a pipe 2: a quantity or system of pipes 3: trimming stitched in seams or along edges of clothing, slipcovers, curta ins 2. piping aj : marked by peaceful pipe music rather than martial drum and fife music :: TRANQUIL