| IDENTITY OF PHYSICAL DOCUMENT | |
| ARCHIVE | Spyros Sakkas Archive |
| SUBARCHIVE | Recordings |
| UNITY | Unclassified |
| GENERAL TYPE | Recordings |
| SPECIFIC TYPE | Tapes |
| UNIQUE ID | SSA.rec.0.rtp.7 |
| DATA OF PHYSICAL DOCUMENT | |
| TITLE | PHILADELPHIA 23 APRIL 1972 SPYROS SAKKAS (BARITON) IRWIN GELBER (PIANIST) |
| Τύπος ταινίας - μάρκα | SONY |
| Μηχάνημα καταγραφής | TEAK A-3340S |
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