-Technically GNU LilyPond is a preprocessor which generates TeX
-(or LaTeX) output which contains information to typeset a musical
-score. Practically it is a typesetter, which only uses TeX as an
-output medium. (this is handy because there exist music fonts for TeX)
+GNU LilyPond is a program which converts music definition files into
+visual or auditive output: it can typeset formatted sheet music to a
+TeX file and and (mechanical) performances to MIDI files.
+
+=head2 Examples
+
+<a href=example_output.html
+>
+examples of what LilyPond can do: MIDI, PS, .gif and input.
+</a
+>