Final answer:
The Aulos is the Greek instrument with two separate flute-like pipes, each having its own mouthpiece.
Step-by-step explanation:
The Greek instrument with two separate flute-like pipes, each having its own mouthpiece is the Aulos. The Aulos is an ancient Greek wind instrument that was commonly played in various religious and social occasions. It consisted of two pipes that were blown simultaneously by the player, producing a harmonious sound. The Aulos was popular in ancient Greek music and was often depicted in Greek art and pottery.
Learn more about Ancient Greek Music