Here's some tracks that exhibit an early heaviness, before "heavy" and "metal" were a thing. Think of these as the building blocks that would eventually become metal.
You can hear these using the affiliate links below
1. “Spoonful” - Howlin’ Wolf Get here http://amzn.to/2s1gvlR
2. “You Really Got Me” - The Kinks Get here http://amzn.to/2sdlkbm
3. “My Generation” - The Who Get here http://amzn.to/2qUj6tG
4. “Born to be Wild” - Steppenwolf Get here http://amzn.to/2qUfnw5
5. “Purple Haze” - Jimi Hendrix Get here http://amzn.to/2rRCQSe
6. “Sunshine of Your Love” - Cream Get here http://amzn.to/2sPw64y
7. “Helter Skelter” - The Beatles Get here http://amzn.to/2rxXCW8
8. “Old Man Going” - The Pretty Things Get here http://amzn.to/2s1xzIp
9. “In-A-Gadda-Da-Vida” - Iron Butterfly Get here http://amzn.to/2s18VIa
10. “Summertime Blues” - Blue Cheer Get here http://amzn.to/2ry5xD4
11. “Voodoo Child (Slight Return)” - Jimi Hendrix Get here http://amzn.to/2sdw9dx
12. “Kick Out the Jams” - MC5 Get here http://amzn.to/2sPyisD
13. “21st Century Schizoid Man” - King Crimson Get here http://amzn.to/2sAHq57
14. “Communication Breakdown” - Led Zeppelin Get here http://amzn.to/2rIPTmN
15. “Black Sabbath” - Black Sabbath Get here http://amzn.to/2s1svny
Before Metal (1960-1970) - Playlist Junkie #4 ─ Cinemassacre
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