People have been making music for millennia. The first musical notation technique, the Music of Mesopotamia procedure, was created four,000 years in the past. Guido of Arezzo introduced Latin musical notation during the 10th century.[25] This laid the foundation to the preservation of global music during the public domain, https://buy-now.cognitiveinstituteofdallas.org/product-detail-netflix-original-social-delimma.html