https://www.virtualsheetmusic.com/experts/expert_id/even-number-octaves/ - In this video, Robert gives you historical background about the piano to answer this question.
VSM: Piano Lessons and Piano Insights
Music
https://www.virtualsheetmusic.com/experts/expert_id/even-number-octaves/ - In this video, Robert gives you historical background about the piano to answer this question.
