The physical dimensions and positions of each piano provided visual reference points to assist the audiences’ assessments of timbre. The pianos were played simultaneously and separately in the duo piano concerts

Throughout the jazz trio performances, concerts 2, 4 & 5, Kevin Hunt alternated between playing the Stuart and the Steinway pianos. The bass and drums were positioned in between the pianos. The ‘Behind the Screens’ tests required the pianos to have the lids lowered to ‘half stick’ so the audience could not see the high edges of the lids, over the screens.

In the final two concerts, the ‘behind the screens’ segment was presented after interval, as a type of blindfold test with pianos positioned out of the sights of the audience, challenging the audiences to evaluate the piano sounds without visual or directivity stimuli. The ‘behind the screens’ survey results did not produce conclusive evidence, revealing that the benefit of visual connections with the sonic