Blue Cheer looms large in the annals of hard rock, laying down the sonic foundations of heavy metal and serving as a crucial influence on the birth of punk, grunge and stoner rock. Vincebus Eruptum, Blue Cheer's landmark 1968 debut, is widely regarded as Ground Zero of the heavy metal explosion. The album, includes the trio's mind-melting reading of Eddie Cochran's "Summertime Blues," which became a Top 20 single.