altering-the-number-of-stems-in-a-beam.ly chant-or-psalms-notation.ly conducting-signs,-measure-grouping-signs.ly heavily-customized-polymetric-time-signatures.ly rhythmic-slashes.ly adding-beams,-slurs,-ties-etc.-when-using-tuplet-and-non-tuplet-rythms..ly changing-time-signatures-inside-a-polymetric-section-using--compressmusic.ly automatic-beams-two-per-two-in-4-4-or-2-2-time-signature.ly automatic-beam-subdivisions.ly controlling-tuplet-bracket-visibility.ly beam-across-line-breaks.ly adding-drum-parts.ly compound-time-signatures.ly