What kind of sheet music do musicians and pop stars use to compose their music?

Compose the music on a sheet of music, usually using a keyboard or guitar to audition, play the main theme to hear if you want to play the song or to check if you fill in the notes correctly

Post-production will be made in a recording studio There are live recordings: according to the effect you want to finish the song to choose the necessary instruments to play live and recorded live on a computer, and then produced (this kind of cost and quality is high) and the other is to use the computer effects synthesized (more used in pop dance) but both are very professional, need to be produced in a professional recording studio, and the computer effects synthesized. There is also the use of computer effects synthesized by the computer (more popular dance music), but both are very professional and need to be produced in a professional studio and executed by professionals

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