Listen to Clocks: Cuckoo Clock - 12 O'Clock online. Clocks: Cuckoo Clock - 12 O'Clock is an English language song and is sung by Spectacular Sound Effects. Clocks: Cuckoo Clock - 12 O'Clock, from the album Spectacular Sound Effects Volume One, was released in the year 2016. The duration of the song is 0:23. Download English songs online from JioSaavn.