Complex sentence: "Into the Hollywood Groove" was performed on Madonna's 2004 Re-Invention World Tour as the opening song for the Scottish-tribal segment of the show; the performance was preceded by a parade of Scottish army playing the bagpipes and drums.
Split into simpler sentences: Into the Hollywood Groove was performed as the opening song for the Scottish-tribal segment of the show. The performance was preceded by a parade of Scottish army playing the bagpiper and drums.