On 07. nov. 2011 21:40, Cor Lakeman wrote: [...]
21:54:30.807: +checking for "lilypond-book"... yes 21:54:30.814: /bin/sh: /usr/bin/lilypond-book: Permission denied
A permission problem. Open the command line, and try this: sudo chmod oug+rx /usr/bin/lilypond-book This should make lilypond-book executable for everyone. You may want to do the same for the lilypond program too. Helge Hafting