"yes" . . . . . . . "Denemo is a free software graphical interface for music notation, mainly to GNU LilyPond, a program for engraving musical scores. Denemo has been under development since 1999. Using GTK+ 2 or 3, it works on Linux, Microsoft Windows and OS X.Denemo helps prepare notation for publishing and lets a user rapidly enter notation, simultaneously typesetting via the LilyPond music engraver."@en . "Denemo"@en . . .