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Many may already be aware of this samba due to Walter Wanderly's space-age tinged organ instrumental version, but Elis's original vocal version is far more powerful with relentless horn blasts. It also demonstrates her range of emotions put into the performance as she goes from delicate to belting.
available on CD - Samba Soul '70! (Six Degrees)
ambassador: I believe the original version (by anybody) is on Jorge Ben's "Ben e Samba Bom" on philips from the mid 60s.