The Mini Quartets in these books were sent for both groups and concerts. He is a geen sprake van first, tweede, derde of fourde violisten: all - different colored - partijen zijn gelijkwaardig. A CD, with the following tracks of all the pieces, is bijgevoegd, which can be opened and can be opted for by friends and family. In Mini Quartets 1, the first open snares come into play, followed by the first two fingers. In Mini Quartets 2 the leerling steeds the first three vingers.