The Compact Disc (CD) celebrated its 30th birthday this past week. Originally introduced October 1, 1982, the CD went on to quickly overtake cassettes and vinyl records as the medium of choice for music listeners. Its reign held on well into the 2000s and although CDs are obviously still being sold now, increasingly the CD is being overtaken by digital downloads and streaming services.

But hey, here’s how the CD was introduced at TED in 1984.