In early 1971, when Black Sabbath released its second album, “Paranoid,” in the United States, the band was among only a few groups pioneering hard rock driven by metallic-sounding guitar riffs and wailing vocals. The title song, released as a single, helped push the album to No. 12 on the Billboard chart and quickly inspired a wave of heavy-metal bands. Recently,...

Source: Wall Street Journal May 23, 2018 13:30 UTC