Allegro
Lively, fast.
allegro is fast, presto is very fast.
"Allegro vivo" is a musical term indicating a lively and brisk tempo. In Italian, "allegro" means cheerful or lively, while "vivo" translates to "alive" or "vivid." Together, they suggest a fast-paced, energetic performance that conveys excitement and vitality. Typically, this term is used to instruct musicians to play with enthusiasm and a spirited character.
The Italian musical term for a cheerful or fast tempo is "Allegro."
it's the speed between allegro and vivace, about quarter=144-160. assai itself means very, as in allegro assai, adagio assai, pianissimo assai,etc.
Simply put, this means "not too fast".
Con Brio
'Presto' is one such term. There are others.
The term you're looking for is "allegro." In music, "allegro" indicates that a piece should be played at a lively and quick tempo, often conveying a cheerful or joyful mood. It is commonly used in various musical compositions to energize the performance.
When used as an adjective, allegro means of fast tempo. It can also be used as a noun, meaning a passage or movement in a brisk tempo. It can also mean a musical composition.
There are a few musical terms that start with the letter "a": accent, accelerando, accidental, adagio, allargando, allegretto, allegro, andante, andantino, atonal