Thursday, April 21, 2011

Ancient musical formats

The earliest form of musical notation can be found in a cuneiform tablet that was created at Nippur, Iraq in about 2000 B.C. The tablet represents fragmentary instructions for performing music, that the music was composed in harmonies of thirds, and that it was written using a diatonic scale.A tablet from about 1250 B.C. shows a more developed form of notation. Although the interpretation of the notation system is still controversial, it is clear that the notation indicates the names of strings on a lyre, the tuning of which is described in other tablets. Although they were fragmentary, these tablets represent the earliest recorded melodies found anywhere in the world.

Ancient Greece
 
Photograph of the original stone at Delphi containing the second of the two hymns to Apollo. The music notation is the line of occasional symbols above the main, uninterrupted line of Greek lettering.
Ancient Greek musical notation was capable of representing pitch and note-duration, and to a limited extent, harmony. It was in use from at least the 6th century BC until approximately the 4th century AD; several complete compositions and fragments of compositions using this notation survive. The notation consists of symbols placed above text syllables. An example of a complete composition is the Seikilos epitaph, which has been variously dated between the 2nd century BC to the 1st century AD. Three hymns by Mesomedes o exist in manuscript. The Delphic Hymns, dated to the 2nd century BC, also use this notation, but they are not completely preserved. Ancient Greek notation appears to have fallen out of use around the time of the Decline of the Roman Empire.

 Byzantine Empire

 
Byzantine music notation style in a Romanian "Book of Hymns at the Lord's Resurrection", 1823
Byzantine music is vocal religious music, based on the monodic modal singing of Ancient Greece and the pre-islamic Near East. The notation developed for it is similar in principle to subsequent Western notation, in that it is ordered left to right, and separated into measures. The main difference is that notation symbols are differential rather than absolute, i.e. they indicate pitch change (rise or fall), and the musician has to deduce correctly, from the score and the note they are singing presently, which note comes next. The pitch symbols themselves resemble brush strokes and are colloquially called gántzoi ("hooks") in Modern Greek. Notes themselves are represented in written form only between measures, as an optional reminder, along with modal and tempo directions if needed. Additional signs are used to indicate embellishments and microtones (pitch changes smaller than a semitone), both essential in Byzantine chant (see Romanian anastasimatarion picture, left).
The seven standard note names in Byzantine "solfege" are: pá, vú, ghá, dhē, ké, zō, nē, corresponding to Western re, mi, fa, sol, la, si, do. Byzantine music uses the eight natural, non-tempered scales called Ēkhoi, "sounds", exclusively, and therefore the absolute pitch of each note may slightly vary each time, depending on the particular Ēkhos used. Byzantine notation is still used in many Orthodox Churches. Better cantors can also use standard Western notation while adding non-notatable embellishment material from memory and "sliding" into the natural scales from experience.

 Persia and Arab world

In 1252, Safi al-Din al-Urmawi developed a form of musical notation, where rhythms were represented by geometric representation. Many subsequent scholars of rhythm have sought to develop graphical geometrical representations. For example, a similar geometric system was published in 1987 by Kjell Gustafson, whose method represents a rhythm as a two-dimensional graph.
 Early Europe
Scholar and music theorist Isidore of Seville, writing in the early 7th century, remarked that it was impossible to notate music. By the middle of the 9th century, however, a form of notation began to develop in monasteries in Europe for Gregorian chant, using symbols known as neumes; the earliest surviving musical notation of this type is in the Musica disciplina of Aurelian of Réôme, from about 850. There are scattered survivals from the Iberian Peninsula before this time, of a type of notation known as Visigothic neumes, but its few surviving fragments have not yet been deciphered.
 
Early Music Notation
To address the issue of exact pitch, a staff was introduced consisting originally of a single horizontal line, but this was progressively extended until a system of four parallel, horizontal lines was standardized. The vertical positions of each mark on the staff indicated which pitch or pitches it represented (pitches were derived from a musical mode. Although the four-line staff has remained in use until the present day for plainchant, for other types of music, staffs with differing numbers of lines have been used at various times and places for various instruments. The modern five-line staff was first adopted in France and became almost universal by the 16th century (although the use of staffs with other numbers of lines was still widespread well into the 17th century).
Because the neum system arose from the need to notate melodies, exact timing was initially not a particular issue because the music generally followed the natural rhythms of the Latin language. However, by the 10th century a system that represented up to four note lengths had been developed. These lengths were relative rather than absolute and depended on the duration of the neighbouring notes.Not until the 14th century did something like the present system of fixed note lengths arise. Starting in the 15th century, vertical bar lines were used to divide the staff into sections.These did not initially divide the music into measures (bars) of equal length (as most music then featured far fewer regular rhythmic patterns than in later periods), but appear to have been introduced as an aid to the eye for "lining up" notes on different staves that were played or sung at the same time.The use of regular measures (bars) became commonplace by the end of the 17th century.
The founder of what is now considered the standard music stave was Guido d'Arezzo, an Italian Benedictine monk who lived from 995–1050.Guido D'Arezzo's achievements paved the way for the modern form of written music, music books, and the modern concept of a composer.He named musical notes based on an ancient hymn dedicated to Saint John the Baptist, called Ut Queant Laxis, written by the lombard historian Paul the deacon. The first stanza is:
  1. Ut queant laxis
  2. resonare fibris,
  3. Mira gestorum
  4. famuli tuorum,
  5. Solve polluti
  6. labii reatum,
  7. Sancte Iohannes.
Guido used the first letters of each verse to name the Solfège syllables: Ut, Re, Mi Fa, Sol, La, and Si (the exception being Si, which has the S of Sancte and the I of Iohannes—it also helps in that, if two adjacent notes had the same vowel, verbal communication errors became more likely). In the 17th century, Ut was changed in most countries except France to the easily singable, "open" syllable Do, said to have been taken from the name of the Italian theorist Giovanni Battista Doni.

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