do you know the step of being a musician ?

Well, depends what route you want to take. easiest way to start, go to a pawn shop and get some cheap instruments like a keyboard, a guitar, whatever you want. To be a producer you need to study different kinds of music, figure out what effects were used, what instruments, pedals, mics, amps,and invest in a good computer program like pro tools or cool edit. If you arent musically inclined you may have problems producing for other people. Learn how to play something first, then the rest comes naturally. Its mostly something youre either born with or you arent. Good luck!