A __ Tune = a Theme Song

This page is the CodyCross answer for the clue below from Seasons, Group 75, Puzzle 2 (Winter Breeze).

Question is: A __ Tune = a Theme Song

and the answer is: SIGNATURE

Word Meaning:

SIGNATURE — A person's name, written by that person, used as identification or to signify approval of accompanying material, such as a legal contract.

Definitions from Wiktionary.

A __ tune = a theme song — CodyCross Answer | CodyCross Solutions