Musical Expression. Tempo and Dynamic. Tempo and Dynamic. Composer indicate tempo and dynamics in music as a means of expression. Because of the close connection between tempo and mood, tempo markings indicate the character of the music as well as the pace. Tempo.
Tempo and Dynamic
Accelerando – getting faster
Ritardando – getting slower
or diminuendo (>) – growing softer
The composer adds markings for tempo and dynamics to help shape the expressive content of work.