Music is all mathematics. It has rules, structure, formulas and even calculations!
I suggest you to learn Harmony, then Modulation, and then learn different types of music (Preludes, Fuges, inventions, and more...).
That's the best way to start co…
Well, it'll help them to save their memory and train their brain for the time they get old. Starting a new instrument at age 30 might be a little hard, but it isn't impossible. Nothing's impossible actually! :)
I don't know. A theme usually comes to my mind, and I start playing notes like that until I get what I want. Then, I write it on a paper, check it for harmony errors, then if it's a Piano solo, I'm done, but if it's for other instruments as well, I…