"Classic"
The song "classic" is a song written about a girl who is considered to be classic, which is why he says "baby you're so classic". When he says "A star in the 40s, centrefold in the 50/Got me tripping out like the sixties Hippies/ Queen of the discotheque/A 70s dream and an 80s best" They are talking about how there are many classic girls from different years. This song makes people feel good about themselves because they are talking about how you are classic. Their are many people everywhere who do not do what others think which is who this song is about.

Paraphrasing