My name is Máté Hegyháti, I am an IT engineer from Hungary, who gained interest in Music in the last few years.

hu This user speaks Hungarian at a native level.
en This user speaks English.
de Dieser Benutzer spricht Deutsch.

vcl-1 This user is a novice violoncellist.

This user uses
GNU LilyPond.
This user uses MuseScore.

I'm happy to send the lilypond source for any of the uploaded pdf files (list here: Máté Hegyháti).