Although I made a few jazz recordings in the mid 60s in Czechoslovakia and a live jazz trio album in Munich in 1968, my first real record contract in 1974 came as a result of the breakup of Mahavishnu Orchestra. It makes it nearly impossible to break through with something unique or original.
Music is essential to a well rounded education.
It enhances your capacity to feel as well as think. My kids are actively involved in music every day. When it comes to a career, though, that's a much harder call. Given the state of the music business today, depending on music to make a living can be almost like playing lottery. Still, if they wanted it more than anything else, I would do my level best to even their odds.