Rotta is a 16th and 17th century
music composition for
brass instrument
A brass instrument is a musical instrument that produces sound by sympathetic vibration of air in a tubular resonator in sympathy with the vibration of the player's lips. Brass instruments are also called labrosones or labrophones, from Latin a ...
s that consists of sections of irregular music phrases in which the rhythmic activity gradually dissipates. These compositions were played directly after a trumpet ensemble sonata, and eventually the components of this composition were merged into
sonata form at which point the rotta disappeared from the repertoire.
References
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Compositions by musical form
Renaissance compositions