> The Janko layout makes playing the piano as easy as playing the guitar As easy as playing the guitar in the all-fourths tuning. > people have literally inve

> The Janko layout makes playing the piano as easy as playing the guitar As easy as playing the guitar in the all-fourths tuning. > people have literally invested a lifetime in the familiar layout They've already learnt twelve versions of every scale; you wouldn't think one more would be much to ask.