Diapason (3)
Настоящее имя: Diapason (3)
Argentinian label, run in the 60s/70s by Diapason Producciones Fonograficas S.A.C.I.. Later merged with Disc Jockey to form D&D (2) (Diapasón-Disc Jockey). In the 90s the label was reactivated, run by Diapason S.A.
