Tune (?), n. [A variant of tone.] 1. A sound; a note; a tone. “The tune of your voices.” Shak.
2. (Mus.) (a) A rhythmical, melodious, symmetrical series of tones for one voice or instrument, or for any number of voices or instruments in unison, or two or more such series forming parts in harmony; a melody; an air; as, a merry tune; a mournful tune; a slow tune; a psalm tune. See Air. (b) The state of giving the proper, sound or sounds; just intonation; harmonious accordance; pitch of the voice or an instrument; adjustment of the parts of an instrument so as to harmonize with itself or with others; as, the piano, or the organ, is not in tune.
Like sweet bells jangled, out of tune and harsh. Shak.
3. Order; harmony; concord; fit disposition, temper, or humor; right mood.
A child will learn three times as much when he is in tune, as when he... is dragged unwillingly to. Locke.