Complex sentence: Although it was never released as a worldwide single, "Mr. Brownstone" is a staple at GN'R concerts, it has been performed frequently since 1986 and is usually played early during the set.
Split into simpler sentences: Although it was never released as a worldwide single, "Mr. Brownstone" is a staple at GN'R concerts. It has been on the setlist at nearly every GN'R concert since 1986 and is usually played early during the set.