The Garklein recorder reaches a pitch high than the Sopranino (by a fifth) and is in C rather than F. This is a superb example of such an instrument.Aulos are one of the major names in plastic recorders and the first manufacturer to successfully make a recorder from ABS synthetic resin. The 500 series is more faithful to historic designs and provides players with an inexpensive instrument of highly uniform quality,good intonation and response.