Heavy Rock Especial nº 021
| Periodical Title | Heavy Rock |
| Editor | MC Ediciones S.A. |
| About/Subject | Woodstock, Metallica, Aerosmith, Jimi Hendrix, Alice In Chains, Janis Joplin, Henry Rollins, The Who, Red Hot Chili Peppers, Spin Doctors |
| Format | Magazine |
| Language | Spanish |
| Location | Spain |
| Cover Date | 1994-08 |
| Pages / Font | 64 pages pages |
| Issue Number | 21 |
| Price | 375 Pts. |
| Notes | Especial Iron Maiden: Edición para coleccionistas |
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