Electronic dance music Genre that was developed in the 1990s. It is generally characterized by a tempo of between 130 and 155 BPM, short melodic synthesizer phrases, and a musical form that builds up and down throughout a track. the name is linked to the ability of music to induce an altered state of consciousness known as a trance. The effect of some trance music has been linked to the trance-inducing music created by ancient shamanists during long periods of drumming. It is a combination of many forms of music such as industrial, techno, and house. Free Trance, Trance Online, Trance Music Download, Trance Tracks, Free Trance Music. The origin of the term is uncertain, with some suggesting that the term is derived from the Klaus Schulze album Trancefer (1981) or the early trance act Dance 2 Trance.