#2
pretty much any song by motley crue or van halen but those are obvious

Epi LP Custom EMGs
ESP H-1000
Schecter Elite 7
Jackson Dominion
Peavey Valveking Head
Jet City JCA24s
Blackstar HT20 & HTV212
MXR Pedals
Schecter Stiletto Custom
Schecter Stiletto Studio
Fender Vintage Modified
Ampeg B2RE
Fender 4x10 Cab
#5
Bigsby can get you down like 1/2 or 1 step down.

Floyd Rose can get you down to 3 or 3.5 steps down.
Dukey Uses & Abuses:

A Jackson Kelly, A Gibson Les Paul, 2 Fender amps,An Ibanez bass, A Digitech RP350
#9
There's some pretty sweet floyd action in the Master of Puppets solo. Also, CC DeVille uses a floyd a LOT in his solos, so a lotta stuff by him too
ESP/LTD F-50
1989 Kramer Showster
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Washburn XB-100 4 string
Peavey Millenium AC BXP
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Crate BV60H Head
Crate BV412 Cab
Vox AD15VT