Complex sentence: "Song Beneath the Song" is the 18th episode of the seventh season of the American medical drama "Grey's Anatomy", and the 144th episode overall, it was named after a song by American singer Maria Taylor.
Split into simpler sentences: Song Beneath the Song is the 18th episode of the seventh season of the American medical drama "Grey's Anatomy", and the 144th episode overall. It was named after a song by American singer Maria Taylor.