Complex sentence: On November 11, Clear Channel broadcast a half--hour special called "Album Release Party with Lady Gaga", hosted by Ryan Seacrest, and available on more than 150 radio stations throughout the United States.
Split into simpler sentences: On November 11, Clear Channel broadcast a half-hour special called "Album Release Party with Lady Gaga". The program was hosted by Ryan Seacrest and was available on more than 150 radio stations throughout the United States.