You could try a greatest hits or essential album of hers! She gets forgotten a little as madonna was the prevalent female artist at the time but she has some great songs!

There's lots of good stuff mentioned here but you need to listen to Van Morrison (Astal Weeks) , Joy Division (Unknown Pleasures), Nico and the Velvet Underground, The Clash (London's Calling) ... At least once before you die.

In the beginning there was dark and void.
Then came the sun, the moon and the stars.
Then came HAWKWIND and the world has never been the same since.