Western music typically uses 12 notes – C, D, E, F, G, A and B, plus five flats and equivalent sharps in between, which are: C sharp/D flat (they’re the same note, just named differently depending on what key signature is being used), D sharp/E flat, F sharp/G flat, G sharp/A flat and A sharp/B flat.
The Western musical notation system, as we know it today, has evolved over centuries and does not have a single point of origin. Its development was a gradual process that took place in various regions of Europe over a long period of time.
The roots of Western musical notation can be traced back to the medieval era, with contributions from different cultures and regions. The use of neumes, which are early symbols used to represent musical notation, began in the Christian Church around the 9th century. These neumes indicated melodic contours but did not specify exact pitches or rhythms.
Over time, the notation system became more sophisticated. By the 11th century, the staff system was developed in Italy, which provided a way to represent pitch more precisely. Guido of Arezzo, an Italian Benedictine monk, made significant contributions to the development of musical notation during this period.
In the subsequent centuries, various enhancements and standardizations occurred, leading to the system we use today. It’s important to note that the evolution of Western musical notation was a collaborative process involving contributions from multiple cultures and regions within Europe.