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Coisa N. 1 - Moacir Santos was also an arranger (they were called maestros, actually) at Rádio Nacional, where Jobim, Radamés, the Trio Surdina guys and many other important musicians worked. Moacir was the only black maestro of the time and had studied with classically-trained composers like Guerra-Peixe (also a maestro at Rádio Nacional) and H. J. Koellreutter (German