Original sentence: Their music is influenced by classic '70s heavy metal/late era psychedelic bands such as Black Sabbath, Led Zeppelin and Deep Purple.Wolfmother has enjoyed considerable success in reaction to the mid-2000s Retro Metal movement, at which they are often considered the chief pioneer
Edited sentence: Their music rehashes classic '70s heavy metal/late era psychedelic bands such as Black Sabbath, Led Zeppelin and Deep Purple.Wolfmother has enjoyed considerable success in reaction to the mid-2000s Retro Metal movement, of which they are often considered the chief pioneer