Quality improvement (QI) consists of systematic and continuous actions that lead to measurable improvement in health care services and the health status of targeted patient groups.
A musical phrase (Greek: ÏÏÎ¬ÏÎ· sentence, expression; see also strophe) is a unit of musical meter that has a complete musical sense of its own, built from figures, motifs, and cells and combining to form melodies, periods and larger sections; or the length in which a singer or instrumentalist can play in one breath.
Melody, in music, the aesthetic product of a given succession of pitches in musical time, implying rhythmically ordered movement from pitch to pitch. Melody in Western music by the late 19th century was considered to be the surface of a group of harmonies.