How did television change how people learned about music?

My dad used to listen to a bunch of bands when he was younger how television now we have shows where they use a bunch popular and not so popular songs

my childhood was in black and white ... just how much the world would be changed by his vision - television, the 20th ... Not not only did television re-envision our sense of the world, it remains, ... LeBlanc) from Friends on learning that a new acquaintance doesn't have a TV ...