Sing Simultaneous Musical Notes in a Chord
This page is the CodyCross answer for the clue below from The 1950s, Group 1815, Puzzle 2 (Angry Young Men).
Question is: Sing Simultaneous Musical Notes in a Chord
and the answer is: HARMONIZE
Word Meaning:
HARMONIZE — (intransitive) To be in harmonious agreement.
Definitions from Wiktionary.