‘Solfège’ is created (1 ene 1030 año – 10 h 59 m, 31 oct 2025 año)
Descripción:
 Guido of Arezzo, an Italian monk, develops a system for learning music by ear. Voice students often use the system, called solfège, to memorise their vocal exercises. In the 19th century, solfège developed into the tonic sol-fa system used today. 
Añadido al timeline:
fecha:
1 ene 1030 año
10 h 59 m, 31 oct 2025 año
 ~ 996 years