-\version "1.3.146"
-breve = \duration #(make-duration -1 0)
-longa = \duration #(make-duration -2 0 )
-maxima = \duration #(make-duration -3 0)
+\version "1.7.18"
+breve = \duration #(ly:make-duration -1 0)
+longa = \duration #(ly:make-duration -2 0 )
+maxima = \duration #(ly:make-duration -3 0)