I use Rallentando when I have a decrease in tempo and the intensity increases. This often happens as a big slow-down before a downbeat. The energy builds up and is then release.

What is the difference between ritardando and rallentando?

There is a difference. Ritardando seems to be a deliberate slowing or being late, while rallentando seems to be more of a letting go or dying away.

What does the term rallentando mean?

rallentando. / (ˌrælɛnˈtændəʊ) / adjective, adverb. music becoming slowerAbbreviation: rall Also: ritardando, ritenuto.