Hungarian pianist and inventor Gergely Boganyi unveils his novel concept piano, offering a revolutionary new take on a classic musical instrument. Jim Drury reports.
02:59
01:48
01:03
01:47
01:59
01:32
01:13
01:58
01:47
02:09
02:17
02:35
02:13
01:58
01:32
02:08
01:36
02:38
02:30
01:13