Wiktionary
to the tune of
a. (context idiomatic English) roughly; about; as much as; to the approximate sum or extent of.
Usage examples of "to the tune of".
Then I shall need a transfer of credit to the tune of at least ten thousand pounds.
Without it, he would be trapped like Llaura-forced to the tune of Foul's glee to lose himself in order to avoid losing himself.
If you can find a philanthropist willing to finance a Brentford Olympiad to the tune of one hundred million pounds, she sneered, then we shall all second the motion and declare it carried.
Filmed on location in Cairo in November and December 1995, the video was produced and written by Boris Said and, according to him, financed to the tune of one hundred thousand dollars by Joseph Schor.