This substantial anthology comprises five-disc in a deluxe boxet with a 230 pages fully illustrated booklet (in english, french and portuguese) at first seems like a daunting, overwhelming prospect: in addition to being a vast and sprawling collection of works, it's made up by a selection of artists whose work will (for the majority of listeners at least) be quite unfamiliar. In this outstanding selection we have some of the late 50s experiments by Reginaldo Carvalho (b. Guarabira, 1932) who com…