Emily Dickinson Lexicon

TUNE, v.t.

1. To put into a state adapted to produce the proper sounds; as, to tune a forte-piano; to tune a violin. Tune your harps. – Dryden.
2. To sing with melody or harmony. Fountains, and ye that warble as ye flow / Melodious murmurs, warbling tune his praise. – Milton. So we say of birds, they tune their notes or lays.
3. To put into a state proper for any purpose, or adapted to produce a particular effect. [Little used.] – Shak.