*note: I have, and always will, love Mario Kart overall more. This is concerning multiplayer.
Anyway, yes, Wii Music is more fun in multiplayer mode. I can't really explain it, but I've had friends come over the last few days, and I'm finding us to have more fun creating (or screwing up) jams then we ever had racing. It's so wierd. Even my friends were surprised of the funness (is that a word?) of the game. And we always are laughing at our works, especially the boxarts. Mario Kart is still great fun, but the mood and fun of Wii Music if somehow... superior.
Can anyone help me figure out what's going on?