Simplify the following text for a Grade 11 native English-speaking person.
Original: In music , the Wicki-Hayden note layout is a shifted 6-plus-6 key layout for musical instruments that offers some advantages over the traditional keyboard layout .
Simplified: In music , the Wicki-Hayden note layout has the same advantage over the traditional keyboard layout as the 6-plus-6-system : There is the same fingering in all 12 scales .