"Many users have switched to it from other popular music
notation programs, despite its text-format interface and
command-line operation. LilyPond's output quality really is that
"Because of its plain ASCII text interface, many users are on
the lookout for an effective GUI for LilyPond. Most of the programs
reviewed in this article can be considered as LilyPond front ends,
but they vary in the kind and degree of their support for LilyPond.
They range from specialized text-editing environments to
notation-based sequencing, but in all cases, LilyPond is the engine
that drives their notation capabilities. In some cases, a working
knowledge of LilyPond is required, while others entirely hide
LilyPond's presence from the user.
"Music Notation Software: General Remarks
"Music notation software poses some considerable problems for
application developers. A full-featured notation program involves
complex graphics mechanisms, flexible audio and MIDI I/O, and
support for importing and exporting a variety of file formats.
Additionally, developers must decide whether their software falls
into the category of composer's helpmate or music typesetter. This
distinction determines many important aspects of the program's
basic design, especially at the user interface level."