to the tune of

idiom

1

: using the tune of (a particular song)

Amusing lyrics were sung to the tune of "New York, New York."

2

informal

—used to emphasize that the amount or extent of something (such as money) is considerable

A telecommunications company funded the event to the tune of several million dollars.

He put his email address on the scoreboard, urging fans to give him their input (to the tune of 400 messages a day, all answered personally).

—Richard Hoffer