volti subito
/ˈvɒlti ˈsuːbɪtəʊ/noun
As a musical direction: ‘turn (the page) quickly’; abbreviated V.S. Also in extended use: quickly. Also occasionally as noun: an instruction to do this.
Origin
Early 18th century; earliest use found in Short Explication of Foreign Words in Musick Books. From Italian volti subito from volti, 3rd person singular imperative of voltare to turn + subito.