| Band | Genre |
|---|---|
| G.B.H. | Punk Rock |
| Galneryus | Power Metal |
| Gamma Ray | Power Metal |
| Gary Moore | Rock |
| Gaza | Black/Death Metal/Hardcore |
| Gene Simmons | Hard Rock |
| Genesis | Rock |
| George Harrison | Pop Rock |
| George Thorogood & The Destroyers | Rock |
| Ghost | Heavy metal |
| Ghost of the Robot | Alternative Rock |
| Glenn Hughes | Hard Rock |
| Godsmack | Nu Metal |
| Gojira | Black/Death Metal/Hardcore |
| Golden Earring | Rock |
| Gorgoroth | Black/Death Metal/Hardcore |
| Gorguts | Black/Death Metal/Hardcore |
| Gorod | Black/Death Metal/Hardcore |
| Gotthard | Hard Rock |
| Graham Bonnet | Hard Rock |
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