Frescobaldi is a LilyPond music score editor for KDE4, with following
features:
* Enter LilyPond scores, build and preview them with a mouseclick
* Point-and-click support: click on notes or error messages to jump to the
correct position
* A powerful Score Wizard to quickly setup a musical score
* Editing tools to:
- manipulate the rhythm
- hyphenate lyrics
- quickly enter or add articulations and other symbols to existing music
- run the document through convert-ly to update it to a newer LilyPond version
* A powerful Rumor plugin, using the Rumor program to quickly enter music by
playing it on a MIDI keyboard or even your computer keyboard

Frescobaldi is the KDE4 successor of LilyKDE, which is a Kate plugin for KDE3.

Author:
Wilbert Berendsen
http://www.wilbertberendsen.nl/