For those who see the phrase rallentando written on a musical rating, it’s there to point that the musician ought to begin to progressively play at a slower tempo (or tempo). Typically abbreviated to ‘rall’ on a rating, rallentando is Italian for ‘slowing down’ – the alternative of accelerando.
Rallentando has the identical that means because the time period ritardando (typically abbreviated to ‘rit’), which additionally means ‘delaying’ or ‘changing into slower’, so you might even see one or the opposite featured on a musical rating.
When used in the course of a chunk, rallentando is prone to be adopted by the time period ‘a tempo’, which signifies that the unique tempo of the piece must be resumed.
Examples of rallentando
You may see rallentando used on the finish of a specific phrase or part of music, as this may also help to sign an imminent change – it might be used to introduce a unique tempo or a change in key, for instance.
Rallentando can also be typically used on the finish of a chunk, to assist convey the music to a mild, rolling cease, moderately than an abrupt halt.
One instance of a chunk that makes use of rallentando in these methods is César Franck’s Les Plaintes d’une Poupée (The Complaints of a Doll). Franck makes use of rallentando to introduce a change of key from G main to G minor, in addition to to convey the entire piece to a detailed.