"1 for 4, 4 for 1" is the title of String Quartet No. 4 by Fabian Müller, a condensed version of the well-known quote "One for all, all for one," which is also inscribed in the dome of the Swiss Federal Palace. The quote reflects not only Alexandre Dumas’ Musketeer philosophy but also serves as an essential principle for chamber music, particularly for the string quartet. Musicians are individualists, and life in a string quartet requires a delicate balance of musical and personal sensitivity. ...