emacs lilypond-mode installation

[Kevin Barry]

Dear LilyPond users,

A friend recently persuaded me to try emacs for text editing (LaTeX + 
LilyPond), however I can't quite understand the instructions for 
installing lilypond-mode, as outlined here:
http://lilypond.org/doc/v2.16/Documentation/usage/text-editor-support

'An Emacs mode for entering music and running LilyPond is contained in 
the source archive in the ‘elisp’ directory. Do make install to install 
it to elispdir.'

What exactly is the source archive?  The download seems to be a shell 
script.  Does it mean the lilypond folder in /usr/local/?  I did find a 
folder called elisp (actually there seem to be several on my computer 
since guile 2.0 comes with Ubuntu) in 
/usr/local/lilypond/usr/share/guile/1.8/lang/elisp/ but doing a make 
install only gave an error ('make: *** No rule to make target `install'. 
 Stop.'). Should I be looking somewhere else?  There is an emacs folder 
in /usr/local/lilypond/usr/share/emacs/ which seems to contain some of 
the files mentioned in the instructions in the documentation, but I 
don't understand them: there's no folder anywhere on my computer called 
elispdir, and I don't know what a load-path is.  Do I just need to add a 
line to the ~/.emacs file pointing to this folder?

K.