These recorders provide a good start to anyone's musical education. They offer an ideal amount of air resistance for easy control, and feature fairly accurate intonation The 24B recorder is easy to play throughout its range, though they are primarily intended for beginners. Yamaha's 20 and 30 Series recorders are designed to provide a perfect start to anyone's musical education. They offer an ideal amount of air resistance for easy control, and feature an accuracy of intonation you would expect to find only on more expensive models. Though other maker's plastic recorders may have a similar appearance, Yamaha ABS recorders are truly superior instruments. Models are available with either 'German' or 'Baroque' fingering systems. The 20 series, easy to play throughout their ranges, are primarily intended for beginners.