Complex sentence: At 3pm on Nov 11,2011, Gen X Radio dropped their 90's Hits format for X-Mas Music leaving listeners unsure whether their Gen X format will return after the Christmas season-however, as the station had promised, the format returned after the holidays.
Split into simpler sentences: At 3pm on Nov 11,2011, Gen X Radio dropped their 90's Hits format for Christmas Music, leaving listeners unsure of whether their Gen X format would return after the Christmas season or not. However, as the station had promised, the format returned after the holidays.