Numero Group have announced a new box set called Bobo Y?y?: Belle ?poque in Upper Volta. The box set documents the music that emerged from the African country of Burkina Faso during its cultural revolution from 1970-1979, when it was briefly known as the Republic of Upper Volta. The three-disc compilation includes recordings from artists including Volta Jazz, Dafra Star, Echo Del Africa, Les Imbattables L?opards, and many more. The box set also includes a hardcover book of archival photos by photographer Sory Sanl?, who captured the nation’s transformation and is an intimate documentation of the faces and the scene of 1970s Bobo-Dioulasso.