Complex sentence: Although picked as the fourth single from her second studio album "I Am the Club Rocker", it did not experience a standalone release, but was instead made available with the record's release on 19 September 2011.
Split into simpler sentences: Although picked as the fourth single from her second studio album "I Am the Club Rocker", it did not experience a standalone release. Instead, it was made available as a part of the record's release on 19 September 2011.