Since my childhood, I have always listened to and loved Brazilian popular music: Baden Powell, João Gilberto, Antonio Carlos Jobim, Ernesto Nazareth, João Pernambuco, Chico Buarque, Caetano Veloso, Gal Costa, Egberto Gismonti... the list goes on.

These 12 chôrinhos, inspired by Brazilian popular music, were conceived as a pedagogical tool to help students become familiar with all 12 major and 12 minor keys, in the spirit of Johann Sebastian Bach’s two books of 24 Preludes and Fugues. Very few...