Complex sentence: The song has been played only 33 times, last performed 8.5.2011, since it debuted on the 1997 tour of Europe, specifically 6/25/97 at L'Aeronef, Euralille.
Split into simpler sentences: The song has been played only 33 times, last performed 8.5.2011. It debuted on the 1997 tour of Europe, specifically on June 25th at L'Aeronef, Euralille.