In order that several pupils or pupils and teacher can play together in group lessons, Trio Book 2 provides many three-part ensemble pieces, in accordance with Vol. 2 of the method 'Die fröhliche Querflöte'. The potpourri of works by Lully, Purcell, Mozart, Brahms or Elgar and modern pieces provides a lot of variety and allows ensemble playing from the very beginning. Like the tune book, the trio book has been adjusted to Vol. 2 of the method. The state of knowledge needed to play each trio is indicated in the table of contents.