Basically, jazz musicians were replaced by DJs. At some point, house parties didn't invite a piano player. At some point you could just have someone "putting

Basically, jazz musicians were replaced by DJs. At some point, house parties didn't invite a piano player. At some point you could just have someone "putting on some records" for people to dance to at a wedding reception or big event. At some point musically-inclined kids started getting turntables instead of a trumpet. Good times and jazz used to be in the same places, but by now they only see each other on special occasions. Too bad, because jazz was made for good times and it's not the same otherwise.