Led Zeppelin 's Communication Breakdown was an early inspiration for speed metal .
The latter was called 'early speed metal ' by Robb Reiner of speed metal band Anvil.  ? id=1607080 & vid=355015.Led Zeppelin 's Communication Breakdown could also be said to be an early template for speed metal which was written in 1969 which sound was developed by the forementionedSpeed metal eventually evolved into thrash metal .
Speed metal