One of the many achievements of Breaking Bad was its art direction, in particular, its score. Vince Gilligan and gang sometimes coupled light-hearted music with the grimmest of scenes. The effect was always a stark fusion, and often gave Bad its irony in its darkest moments. Case in point during Sunday night's finale, was the soundtrack from this Groucho Marx rendition of "Lydia the Tattooed Lady" from the Marx Brothers 1939 film At The Circus. The Groucho ringtone meant Lydia was calling Todd's cell phone. But this time, she was sick from a fatal dose of Ricin that Walt had put in her artificial sweetener. Todd couldn't answer, of course. He'd just been strangled to death. –Eric Gould