Name the 4 bands that sing Crazy Train i bet u can only think of 2 but there is 4 bands so r u a metal fan ???

I have 6 for you.

Pat Boone
Thumper
Fun Lovin Criminals
Emm Gryner
The Flys
Nightwish

I only know one..
Apparently I'm the farthest thing from a metal fan.
Go me :D

Bullet For My Valentine
Skid Row
Fun Loving Criminals
Carbon Leaf
Iron Horse

There are dozens who have covered that song.

all the bands Hello Friend mentioned plus some band called CribRock and it's sampled in a trick Daddy tune ....so I say thats 7 1/2