1. 2011-11-18 [1] LilyPond 2.15.19 released lilypond-inf Graham Percival 2. 2011-11-12 [1] LilyPond 2.15.18 released lilypond-inf Graham Percival 3. 2011-11-10 [1] LilyPond 2.15.17 released lilypond-inf Graham Percival