Complex sentence: The station is currently broadcasting 9,490 songs in a row, a programming stunt that is expected to take 23 days to complete, which means it will finish on or around December 2 2006, when the station's official on-air staff and programming will debut.
Split into simpler sentences: The station is currently broadcasting 9,490 songs in a row, a programming stunt that is expected to take 23 days to complete, which means it will finish on or around December 2 2006. At that time, the station's official on-air staff and programming will debut.