Before The Dawn/Judas Priest

https://www.youtube.com/watch?v=zOa3S2SJxtg

Downing's beautiful guitar solo halfway through the song.

Perpetuum Mobile/Penguin Cafe Orchestra

https://www.youtube.com/watch?v=6E3znZoFnN8

This piece is happiness.

Hearts Wires/Deftones

https://www.youtube.com/watch?v=NJbvSmRuV_w

"Only Deftones have mastered the art of making beautiful heavy music. Others can do one or the other, but not the two together." Couldn't have put it better, Mr/s YouTube Commenter.

Magnolia/Poco

https://www.youtube.com/watch?v=h2eUdJs1bd8

One of the most melodic bands of the '70s covering one of the most melodic songs of the '70s.

Quintessence/Darkthrone

https://www.youtube.com/watch?v=QIf2GgA1rGc

The riff to make all other riffs quiver at the knees.