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| | Guardian Erik Braunn |
 | | Yet Iron Butterfly's 1969 album, Ball, having instantly entered the American top five, failed to meet the commercial success of its predecessor. |
 | | In 1968, the Iron Butterfly guitarist Erik Braunn, who has died of cardiac arrest aged 53, played one of acid rock's most recognisable riffs in the 17-minute album version of In-A-Gadda-Da-Vida. |
 | | However, the album of the same name quickly became a favourite with American rock fans, while Iron Butterfly became the first group to be defined as "heavy metal". |
| www.guardian.co.uk /print/0,3858,4791093-103684,00.html (241 words) |
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