The Wilanów String Quartet : Debussy - Kwartet Smyczkowy G-dur Op. 10 = String Quartet In G Minor Op. 10 & Szymanowski - Kwartet Smyczkowy Op. 56 Nr 2 = String Quartet Op. 56 No. 2. Polskie Nagrania Muza label, unknown release date, but would guess mid-70’s. Poland
