query: Who invented cassette tape technology?
passage: Cassette tape
The Compact Audio Cassette (CAC) or Musicassette (MC), also commonly called the cassette tape or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback. It was developed by Philips in Hasselt, Belgium, and released in 1962.[2] Compact cassettes come in two forms, either already containing content as a prerecorded cassette, or as a fully recordable "blank" cassette. Both forms are reversible by the user.[3]
passage: John Oswald (composer)
In 1980, Oswald founded the Mystery Tapes Laboratory, which created unnamed, unattributed works on cassette, described on the plunderphonics website as ""little boxes of sonifericity specifically formulated for the curious listener. Available in your choice of aural flavors: subliminal, blasted, excerpted, repeatpeateatattttttedly, these cinemaphonically-concocted aggregates of très different but exquisitely manifest, unprecedentedly varied festerings of audio quality fine magnetic cassette tapes are the best of whatever you've been listening for"". Oswald continues to be Director of Research at Mystery Tapes.