They died as the Compact Disc was take their place. They're never seeing since years and years. But the the good old classical music cassette, right name Compact Cassette, is a bit back now, 60 years after her invention.
And she is a part of our heritage. As you see: A young street art painter gives her a salute on a wall - the picture with a Tom Waits reference is a part of a series you should watch for.