On Sun, 22 Sep 2013 18:48:43 +0200
renato <rennabh@gmail.com> wrote:

> Maybe there's
> some option I can put in the lilypond's source blocks to make its
> output in bigger font? I don't know much of lilypond actually...

yes, this in the lilypond source displays the source like I want it:

#(set-global-staff-size 26)