INDEPENDENCE TOWNSHIP -- "We're looking for some memories!" Foreigner frontman Kelly Hansen shouted to the crowd on Sunday night, July 15, at the DTE Energy Music Theatre.And it wasn't hard to find them.Related: Foreigner at DTE, 5 Things To KnowSunday's package -- Foreigner, Whitesnake and Jason Bonham's Led Zeppelin Evening -- was indeed all about good-time nostalgia, including frequent references to the venue as Pine Knob.