or tune, verbal phr. (colloquial).To pass from laughter to tears, or from arrogance to humility; to alter ones mode of speech, behaviour, etc. Cf., CHANGE YOUR BREATH (q.v. under BREATH).
1578. Scotish Poems of the Sixteenth Century (1801), II. 185. Priestes, CHANGE YOUR TUNE. [M.]
1708. MOTTEUX, Rabelais, V. ix. Ill make him CHANGE HIS NOTE presently.