Mr. David Dansky, the sound engineer and mixer with Yoshiki on the Yoshiki Classical Tour. He told his impression about yamahiko piano pickup system.
On June 8th. 2015 we had a chance to meet Mr. Robert Glasper at the concert "Robert Glasper Experiment ×Tomomi Nishimoto Symphonic Concert" Tokyo. We can hear from staffs that piano pickups works fine.