i don't really have any comments on how i relate to... Fe music because i've never thought about it. based on the music i listen to however (last.fm top 50 or so):
DeltaNeutral Milk Hotel (Jeff Mangum - EII, Julian Koster - EII, the other two are ILI and possible SLI)
The Kinks (Ray Davies - IEE, not sure about everyone else but band in general has Delta-vibes)
Paul Baribeau (EII)
Tiger Trap (this whole band, and the entire twee movement, is IEE)
Belle and Sebastian (Stuart Murdoch - SLI)
Fugazi (Delta ST)
The Mountain Goats (John Darnielle - IEE)
Andrew Jackson Jihad
Kid Cudi (IEE)
Alpha:Broken Social Scene (very Alpha-heavy, although the Metric crew is Beta and Brendan Canning is SLI)
Stars (Torquil Campbell - ILE, Amy Millan - ESE)
The Beatles (SEI, SEI, ILE, LII, guess who is who)
My Bloody Valentine (mayyyybe Delta)
Weezer (LII emo mopey rage)
Radiohead (SEI emo mopey rage)
And So I Watch You From Afar (math-rock = alpha)
King Crimson (Alpha orgy)
Beta:Of Montreal (Kevin Barnes - IEI)
Liz Phair (EIE)
The Velvet Underground (just the art-school Aquagraph-like ethic that has beta vibes)
Pearl Jam (?)
Burial (IEI)
Alcest (IEI)
Gamma:Rural Alberta Advantage (all the band members are gamma i think)
Eels (E - ILI)
Minutemen (two out of three members gamma, ILI bassist and SEE guitarist)
Kanye West (SEE)
Squarepusher (ILI)
Bat For Lashes (SEE)
David Bazan (ILI)
Not sure:
The Microphones (no idea)
Carissa's Wierd (inclined to say Beta)
The Pixies (Delta/Gamma)
The Smiths (??? Aristocratic)
Nick Drake
Boredoms (Alpha/Beta)
Sonic Youth (Alpha/Beta)
Boyracer
i guess i listen to a lot of delta music.