The history of Brazilian popular music in the 20th Century, focusing specially on the life and works of intriguing singer Mário Reis, a loner who, with his special way of singing - whispering and softly saying the words - in a time when singers with potent voices ruled, was in a way a forerunner of Bossa Nova style.

A look at Rio's cultural, political and technical revolutions since the 1970s to 2011