Which of the following does not lengthen a note ? . a fermata . b dot . c tie . d dynamics

D is the correct answer. Dynamics are to do with the volume of the music. A fermata is a pause on a note, a dot increases the length of the note by half the duration again (for example, it increases the length of a crotchet, a one beat note, by a quaver, a half beat note) and a tie lengthens a note by tying it to another note.

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