Through the Amadeus Quartet’s regular visits to the Berlin RIAS studios over a period of 20 years, the archives there hold a representative cross-section of the quartet’s repertoire. Of particular interest is the (almost) complete cycle of Ludwig van Beethoven’s string quartets, recorded between 1950 and 1967. These recordings clearly document the development of the Amadeus Quartet’s interpretation of Beethoven’s music over a time-span of 17 years, as well as the evolution of the ensemble as a whole.