You should probably get some Jefferson Airplane, Greatful Dead, Byrds, Animals, Cream, Jimi Hendrix, Rolling Stones, Pink Floyd, Paul Revere and the Raiders (OH JUST KIDDING
)
If you want to side track a bit from the hippie history, you could check out Motown....
I was there in the 60's and it was fun...I wonder if I was 16 now would I have as much fun? Oh no...I guess I would be in the alternative school:b