What is the fine-grained topic of the following text: Along with violinist Isabelle van Keulen, Minaar has recorded a complete edition of Beethoven's Sonatas for piano and violin (CC72650) and he has already issued two volumes of Beethoven's Piano Concertos complete survey with Jan Willem de Vriend conducting The Netherlands Symphony Orchestra (CC72672, CC72712). Only return the topic.
Minaar's recordings of Beethoven's Sonatas and Concertos.