>>1
Not particularly.
If you ask a Philosopher they'll say Math and Music root from Philosophy. If you ask further where Philosophy comes from they roughly say it comes from either dedicating many brain cycles to big questions, or from God.
If you ask a Mathematician or a Musician where Math/Music comes from, they'll roughly say it comes from either taking the time to figure out a problem, or it's influence from God, or something they feel is God-like.