Cassette tapes By Aletuerk Jan 1, 1935 First magnetic audiotapes Jan 1, 1962 Philips invents the audio cassette Jan 1, 1964 First portable cassette player (Philips) Jul 1, 1964 Tape decks in car audio Jan 1, 1965 Prerecorded music cassettes (Philips) Jan 1, 1979 Sony Walkman Jan 1, 1990 80's and 90's: cassette sales overtake vinyl sales Apr 16, 1995 Mid-90's: CD starts overtaking cassette Jan 1, 2003 Main music labels stop using music cassettes Jan 1, 2011 OED announces removal of entry "cassette tape"