Max Reger demonstrates how to modulate from C major to B sharp major. From the Twitter account of Threatening Music Notation.

Recipes against melancholy by Hildegard of Bingen and Constantine the African. From Nastasja Khrushcheva's 'Metamodern in and Around...

The Incas were known to have complicated recording devices fashioned from strings of the wool of llamas and alpacas and a cyclical...