1970s
The line-up settled into a pattern of progressive rock, blues and heavy metal during the 1970s. It did dabble with punk rock in 1978 when The Jam, Sham 69 and Penetration played. The festival attempted to provide both traditional rock acts and new punk bands, leading to clashes between the two sets of fans. Although The Ramones played the following year, the festival gradually became known for focusing on heavy metal and rock acts.
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