Helicon is a mountain in Greece that is part of the range of mountains known as the Heliconids. It is located in Boeotia, near Thebes, and is the mythical home of the Muses. In Greek mythology, it was said to be the place where the nine Muses sang and danced. The word 'Helicon' is derived from the Greek word for 'SWAN, ' and the mountain is associated with the Muses because of its association with the SWAN. The term 'Helicon' can also refer to a type of TUBA, which is a large brass instrument with a conical bore and a deep sound.