in writing music pitches are notated vertically on the lines or between the lines of a
Musical notation Catholic monks developed the first forms of modern Western musical notation in order to standardize liturgy throughout the worldwide Church,[15] and an enormous body of religious music has been composed for it through the ages. This led directly to the emergence and development of European classical music, and its many derivatives. The Baroque style, which encompassed music, art, and architecture, was particularly encouraged by the post-Reformation Catholic Church as such forms offered a means of religious expression that was stirring and emotional, intended to stimulate religious fervor.[16] Modern music notation is now used by musicians of many different genres throughout the world. The staff acts as a framework upon which pitches are indicated by placing round notes on the staff lines or between the lines. The pitch of the round musical notes can be modified by accidentals. The duration (note length) is shown with different note values, which can be indicated by the note being just a circle (a whole note) or using stems to indicate quarter notes and other subdivisions, and additional symbols such as dots and ties which lengthen the duration of a note. Notation is read from left to right, which makes setting music for right-to-left scripts difficult.
Quarter note A quarter note (American) or crotchet (British, from the sense 'hook') is a note played for one quarter of the duration of a whole note (or semibreve). Often, musicians will say that a crotchet is one beat, but this is not always correct, as the beat is indicated by the time signature of the music; a quarter note may or may not be the beat. Quarter notes are notated with a filled-in oval note head and a straight, flagless stem. The stem usually points upwards if it is below the middle line of the stave or downwards if it is on or above the middle line. However, the stem direction may differentiate more than one part. The head of the note also reverses its orientation in relation to the stem. (See image.)