II kwartet smyczkowy = String quartet no. 2 - Knapik, Eugeniusz 1951- (PWM, Polskie Wydawniczwo Muzyczne, 2019)
Composed 2019. - Duration: ca. 25:00... - Preface by the composer and biography in Polish and English. - Co-financed by the Polish Ministry of Culture and National Heritage of the Republic of Poland within the programme "Composing Commissions", implemented by the Institute of Music and Dance