I love them all!! But my least favourite was the ocean one, because it took me like - 5 tries to get it, and Carben kept yelling at me. He is my least favourite Locomo by far.
But, as most people say, the most epic was the "Sacred Duet" I seriously nearly cried. I love Zelda's singing, and learnt her whole part. (Courtesy of my kind mp3, which has all 6 songs and more) I sing along sometimes.