Twist-Trap Practice Pipes are a set of mouth blown smallpipes incorporating a long practice chanter and two drones. They produce a softer more mellow tone in comparison to the Highland Bagpipes and pitch in the key of A (440Hz), a general tuning standard for many musical instruments. They are fun to play on their own or in a group setting along with other instruments. Twist-Trap Practice Pipes allow beginners to start playing on a mouth blown instrument that closely resembles the Highland Bagpipes. Twist-Trap Practice Pipes are not just for beginners however, Pipers of all abilities can appreciate the sound, making practice time that much more enjoyable. Product features: Suitable for Pipers of all abilities Key of A Twist Trap Moisture Control Long Practice Chanter Bass and Tenor Drone Integral Valve Synthetic Pipe Bag Corduroy Bag Cover Deluxe Carry Case