Good, but not a music game
This isn't a music game just because music plays a part of the plot.
Now that's out of the way; this game was fun, but not very well-made. About half of the time, the background picture was poorly spliced together, (coughleveltwocough) the music quality for "Foundation" was atrocious, and... was that an eagle I just ducked under? Plus, your title just sounds like you took a cool sounding word that blended well with music, seeing as this game has nothing to do with masquerading at all. But it actually makes sense if you think about it; this is a driving game masquerading as a music game.
All in all, this game was pretty fun, but sometimes the quality distracted from that fun.
7/10 because I'm nice.