Patent ID: 7479595

Claim:
A music composition input device, the device comprising: a display device, the display device being adapted to output a sequence of notes numbered from 1 through N, where the sequence of notes is scrolled from a first portion of the display to a second portion of the display; a first key being selectively actuated to represent a same pitch from a first note to a second note in the sequence of notes, the first note being temporally before the second note and the first note being adjacent to the second note; a second key being selectively actuated to represent a change to higher pitch from a third note to a fourth note in the sequence of notes, the third note being temporally before the fourth note and the third note being adjacent to the fourth note; and a third key being selectively actuated to represent a change to lower pitch from a fifth note to a sixth note in the sequence of notes, the fifth note being temporally before the sixth note and the fifth note being adjacent to the sixth note.