1.Previous
3.Next

Hailun USA manufactures pianos in the two alternative DS6.0 and DS5.5 sizes through an agreement with the DS Standard Foundation. Since 2013, a global network of pianists, teachers and performing arts health professionals has been increasingly advocating for change to the 'one size fits all' approach to piano keyboard manufacturing by major companies. This network is known as PASK (). U.S. pianist Hannah Reimann has promoted piano keyboards with narrower octave spans and has a U.S. patent on the apparatus

1.Previous
3.Next