Lovely Christmas Songbook for iPad, Built with Open Source Scoring Tools (More Platforms Coming)

Have an uncommon yule with tools and music from the Commons. That’s the pitch (so to speak) of the Ultimate Christmas Songbook, an iPad app built with 50 Christmas songs and a fully free and open source notation engine. Making use of public domain songs, the number of songs available continues to grow as the community contributes tunes. (Those contributors got the app for free.) As notation proliferates on tablets, the app also suggests that “commercial” doesn’t have to mean “closed.” The scores themselves are available in open, cross-platform formats (MIDI, MusicXML, MuseScore, and PDF). But by generating revenues, the …