Songs Eminem has quoted/paid homage to?

[FreeSpeech]

Rakim-My Melody "If I wasn't then why would I say I am?"
Garndmaster Flash-The Message "It feels like a jungle sometimes..."

What else???

[Fa-Q]

I take 7 MC's put 'em in a line

and add 7 more brothas who think they can rhyme

well itll take 7 more before I go for mine

now that's 21 MC's ate up at the same time......

[Sam.]

i think we have done this b4 there is a thread in chit chat by onemic

[Fleka]

Slick Rick Children’s Story in Can-I-Bitch.