This piece, performed by my friend Aldo Bova, is a fine example of the problematic relationship between music writing and interpretative freedom: playing only the easy melody transcribed on the staff, after the first exposure of the theme would not be necessary to continue. Instead, it's interesting to hear what happens next. Even the musical background begins very poor, but after...
Arrangement and musical base by Fausto Bottai
https://www.youtube.com/watch?v=tBhHrLwjTHc
The interpretation example (recorder: Aldo Bova)
https://www.youtube.com/watch?v=WwvoOmrU_uM