noun
allegretto
A musical tempo marking meaning moderately fast, slightly slower than allegro. Used as a noun in Japanese musical contexts.
from Italian
この楽章はアレグレットで演奏される。
This movement is played allegretto.
アレグロ (allegro) is faster and more lively than アレグレット (allegretto).
Borrowed from Italian 'allegretto', the diminutive of 'allegro'.