Electronic music became popular as a result of advances in technology (particularly the development of Musical Instrument Digital Interface, or MIDI), and has since blossomed into a bewildering variety of genres including house, techno, trance, breakbeat, hardcore, and ambient. These genres, most of them quite danceable (ambient is a notable exception), can be further divided into sub-genres and spin-offs including trip-hop, garage, jungle, progressive house, etc. Now the scene is starting to break into sub-sub-genres such as speed garage and so on.
Trance is one of the most popular of the major electronic music genres, and in the early 1990s it spawned a sub-genre known as Goa trance, so known because it was developed by Western expatriates living in beach communities in the former Portuguese colony of Goa, India. Returning expatriates spread this new form of music throughout the world, and although it has arguably achieved mainstream status in Israel, Japan, and parts of Western Europe (most notably Berlin), it became more of a cult phenomenon elsewhere, including the United States. Goa trance later evolved into todays sound, known as psychedelic...