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 of Crete exist in manuscript.The introduction of figured bass (or "throughbass") notation in the Baroque era marked the beginning of the first compositions based around chord progressions (a key method for popular music songwriters in the 20th and 21st century).In the classical period (1750–1820) and the Romantic music era (1820–1900), notation continued to develop as new musical instrument technologies were developed.In modern notation they simply serve as an optional reminder and modal and tempo directions have been added, if necessary.In Papadic notation medial signatures usually meant a temporary change into another echos.Ancient Greek musical notation 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.
With exception of vú and zō they do roughly correspond to Western solmization syllables as re, mi, fa, sol, la, si, do.
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.
Originally this key or the incipit of a common melody was enough to indicate a certain melodic model given within the echos, despite ekphonetic notation further early melodic notation developed not earlier than between the 9th and the 10th century.
Like the Greek alphabet notational signs are ordered left to right (though the direction could be adapted like in certain Syriac manuscripts), the question of rhythm was entirely based on cheironomia, well-known melodical phrases given by gestures of the choirleaders which existed once as part of an oral tradition.Today the main difference between Western and Eastern neumes is that Eastern notation symbols are differential rather than absolute, i.e.