Bagpipes are a woodwind instrument using enclosed reeds fed from a constant reservoir of air in the form of a bag. Though the Scottish Great Highland bagpipes are the best known in the Anglophone world, bagpipes have been played for a millennium or more throughout large parts of Europe, northern Africa, and western Asia, including Turkey, the Caucasus, and around the Persian Gulf. The term bagpipe is equally correct in the singular or plural, though pipers usually refer to the bagpipes as "the pipes", "a set of pipes" or "a stand of pipes".
The music played by pipe bands generally consists of music from the Scottish tradition, the Irish tradition and the Breton tradition, either in the form of traditional folk tunes and dances or music from the Western tradition that has been adapted for pipes. Examples of typical pipe bands forms include marches, slow airs, reels, strathspeys and up tempo jigs.
In conventional pipe band music, each section of instruments has a different role in the music. Generally speaking, the pipers deliver the melodic and harmonic material, while the side drummers provide a rhythmically interactive accompaniment part. The tenor drummers provide the fundamental rhythmic pulse and the bass drummer anchors the rhythms, providing a strong and steady beat.