For example, "poco più tanto" means "a little bit more so much," and "molto tanto" means "very so much."
"Tanto" can also be used as a standalone musical term. For example, in flamenco music, "tantas" are short, rapid improvisations.
In Italian music, "tanto" can mean "as much as possible" or "very." For example, "tanto forte" means "as loud as possible," while "tanto piano" means "very soft."