Enjoy Your Recorder Author:The Trapp Family Singers' A new complete method of Instruction for the Recorder, Including Exercises, Reviews, Trill Charts, Ornaments and Embellishments, Duets, Trios and Quartets by the Trapp Family Singers. This Method has grown as a consequence of the recorder classes conducted by Maria Trapp in Stowe, Vermont. This edition is Book M-2 for F-Alto, F-Soprano or F-Bass.