Complex sentence: On August 24th, 2011 Alternative Press premiered the first song off the album, "A Gilded Masquerade" and on September 21th, 2011 Alternative Press premiered the second song off the album, "A Forbiden Dance".
Split into simpler sentences: On August 24th, 2011 Alternative Press premiered the first song off the album, "A Gilded Masquerade". On September 21th, 2011 Alternative Press premiered the second song off the album, "A Forbiden Dance".