On 31 October and 1 and 4 November 2012, Arthur and Lucas debuted with the Royal Concertgebouw Orchestra Amsterdam with Mozart’s Concerto for 2 pianos. Listen here to the AVRO – Zondagmiddagconcert (Sunday Afternoon Concert), recorded and broadcast on 4 November. Arthur and Lucas can be heard in Mozart from 17’00”. As an encore, they played the Waltz from the Suite for 2 pianos op.15 by Anton Arensky, which can be listened from approx. 45’00”, followed by a short interview with Lucas and Arthur from the Concertgebouw.