London-based tech start-up ROLI has introduced a new musical instrument line that should get musicians and audiophiles salivating. The "Seaboard" is a continuous-touch keyboard with curved "keywaves" ...

When you really commit yourself to a performance of the ‘Water Music’ suite. From slapped, stroked and plucked piano strings, to the addition of paper, screws and copper strips, we thought we’d seen ...