# Music \Mu"sic\, n. [F. musique, fr. L. musica, Gr. ? (sc. ?), any art over which the Muses presided, especially music, lyric poetry set and sung to music, fr. ? belonging to Muses or fine arts, fr. ? Muse.] The science and the art of tones, or musical sounds, i. e., sounds of higher or lower pitch, begotten of uniform and synchronous vibrations, as of a string at various degrees of tension; the science of harmonical tones which treats of the principles of harmony, or the properties, dependences, and relations of tones to each other; the art of combining tones in a manner to please the ear. Note: Not all sounds are tones. Sounds may be unmusical and yet please the ear. Music deals with tones, and with no other sounds. See Tone. 2. (a) Melody; a rhythmical and otherwise agreeable succession of tones. (b) Harmony; an accordant combination of simultaneous tones.