411 REFERENCE · Wiktionary
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Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
𝄹
Translingual
Etymology
From mul it quindicesima bassa fifteenth lower, by analogy with mul 15ma interpreted as an abbreviation of mul it quindicesima alta fifteenth higher.
Symbol
mul music very rare An instruction to play two octaves lower than indicated.
See also
mul 15ma
mul 8va
mul 8vb