Some really great calls on this thread.
Not a great fan of the Manic Street Preachers and came across Motorcycle Emptiness by accident. And a what a gloriously flowing riff it is helped by a really creamy Gibson tone. With regard to Wishing Well by Free I actually prefer the late great Gary...
Please note I suggested Kansas but curiously I only came across that classic from listening a covers album by Yngwie Malmsteen. Which amazingly he didn't ruin by playing it too fast.
As people have stated there are a number of bands who could contribute multiple contenders. Metallica, Iron...
Some great choices particularly Van Halen & Blue Oyster Cult.
However might I add :
The Trooper - Iron Maiden
Sad But True - Metallica
Since You've Been Gone - Rainbow
Carry on My Wayward Son - Kansas
Doctor Doctor - UFO
Crazy Train - Ozzy Osborne
747 Strangers in the Night - Saxon
Bomber -...