music-glossary: feathered beam
1.124 feathered beam
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ES: barra progresiva, I: travatura convergente/divergente, F: ligature
en soufflet, lien de croches en soufflet, D: gespreizter Balken, NL: ?,
DK: ?, S: ?, FI: kiilapalkki.
A type of beam used to indicate that a small group of notes should be
played at an increasing or decreasing tempo â depending on the direction
of âfeatheringâ â but without changing the overall tempo of the piece.
See also
........
Internals Reference: (lilypond-notation)Manual beams