Electronic dance music (also known as EDM, dance music, club music, or simply dance) is a set of percussive electronic music genres produced primarily for environments centered in dance-based entertainment, such as nightclub settings. The music is largely created for use by disc jockeys and is produced with the intention of it being heard in the context of a continuous DJ set; wherein the DJ progresses from one record to the next via a synchronized segue or "mix". Contemporary electronic dance music largely stems from the production methods of disco and its more purely electronic ancestors house, techno, and trance, styles which dominated the first wave of electronic dance music in the 1980s and 1990s. In the later half of the 1970s, recorded disco music began to shift away from traditional orchestration (electric bass and guitar, live drums, and acoustic orchestras), and increasingly embraced electronic instruments. Synthetic sounds from synthesizers and drum machines became a feature...