Here you go. Just for you because they were being mean earlier about you feeling poorly...
I've used the SACS model for genre families. Alt rock (nice broad family) wins the day over more traditional types of rock. Whilst most of the folk is folk rock, I was surprised by how much of it there actually was.
Need more jazz, you're definitely getting some Coltrane at some point.
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SACS (Spires Arbitrary Categorisation System)
Core rock includes the likes of metal, hard rock, blues rock etc
Alt rock includes punk, post punk, art rock, indie, power pop etc
Americana includes country rock but heartland is in Core rock
Folk is mostly folk rock
Electronica is anything that uses synths properly and that by definition excludes anything with the bastard DX7
(Edited to reinclude the 2 Classical offerings removed from the date ones)