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About "Concerto Per Tuba E Wind Ensemble - I. Movimento "
The first movement is indicated as Moderato in tempo, but there is nothing moderated in the irregular time signatures nor in the solo passages that precede the bridge which sets the scene for the second, slower movement.

from "Concerti Italiani", released July 21, 2017
Composer: Giancarlo Aquilanti
Musicians: Alessandro Fossi and the Rovereto Wind Orchestra