Complex sentence: The song became a regular staple at the band's concerts up until Eric Carr's passing in November 1991, but due to constant requests from the fans, the song returned to the setlist on the 2010 Sonic Boom Over Europe Tour.
Split into simpler sentences: The song became a regular staple at the band's concerts up until Eric Carr's passing in November 1991. However, due to constant requests from fans, the song returned to the set-list on the 2010 Sonic Boom Over Europe Tour.