Complex sentence: Jim Kerr from Simple Minds first saw Queen when they opened for Mott the Hoople on their 1974 UK tour and, at the launch party of the "Innuendo" album, stated that Queen "blew Hoople off the stage!".
Split into simpler sentences: Jim Kerr from Simple Minds first saw Queen when it opened for Mott the Hoople during the 1974 UK tour. At the launch party of the "Innuendo" album, Kerr stated that Queen "blew Hoople off the stage!".