Performer: The Castilians Writer: Medrano Tango. Digitized at 78 revolutions per minute. Four stylii were used to transfer this record. They are 3.5mm truncated eliptical, 2.3mm truncated conical, 2.8mm truncated conical, 3.3mm truncated conical. These were recorded flat and then also equalized with Turnover: 375.0, Rolloff: -12.0. The preferred versions suggested by an audio engineer at George Blood, L.P. have been copied to have the more friendly filenames. Matrix number: 38383 Catalog number: 111 B The recording on the other side of this disc: Carioca .