Welcome to forum, Iya! I am a musician too! I made a little transcription for Beethoven's Waldstein sonata for guitar, first few pages. Surprisingly easy. Good for practice. Beethoven would have been a great guitarist, no doubt. But he had whole orchestra to play with. (Some notes had to be cut, as there is too much for guitar!) Studying now Russian for a few years. Since it is a habit now, it is normal thing to do.