{"items": [{"author": "unknown", "source_link": "#", "anchor": "unknown", "service": "unknown", "text": "unknown", "timestamp": "-1"}, {"author": "unknown", "source_link": "#", "anchor": "unknown", "service": "unknown", "text": "unknown", "timestamp": "-1"}, {"author": "unknown", "source_link": "#", "anchor": "unknown", "service": "unknown", "text": "unknown", "timestamp": "-1"}, {"author": "unknown", "source_link": "#", "anchor": "unknown", "service": "unknown", "text": "unknown", "timestamp": "-1"}, {"author": "Lauren", "source_link": "https://www.facebook.com/jefftk/posts/942328244522?comment_id=942358848192", "anchor": "fb-942358848192", "service": "fb", "text": "oh man! I fixed an Android app that implements this a while ago. where did you get a physical one?", "timestamp": "1526885611"}, {"author": "Jeff&nbsp;Kaufman", "source_link": "https://www.facebook.com/jefftk/posts/942328244522?comment_id=942358848192&reply_comment_id=942368438972", "anchor": "fb-942358848192_942368438972", "service": "fb", "text": "&rarr;&nbsp;One showed up on reverb.com", "timestamp": "1526904040"}, {"author": "Jeff&nbsp;Kaufman", "source_link": "https://www.facebook.com/jefftk/posts/942328244522?comment_id=942368503842", "anchor": "fb-942368503842", "service": "fb", "text": "Christopher Jacoby", "timestamp": "1526904066"}, {"author": "David", "source_link": "https://plus.google.com/102160427390304223340", "anchor": "gp-1526926422376", "service": "gp", "text": "I'm fascinated by the Wicki-Hayden note layout. I'd never heard of it and can see its advantages. ", "timestamp": 1526926422}, {"author": "Jeff&nbsp;Kaufman", "source_link": "https://plus.google.com/103013777355236494008", "anchor": "gp-1526927018691", "service": "gp", "text": "@David\n I'm definitely having a lot of fun with it!", "timestamp": 1526927018}, {"author": "Jan-Willem", "source_link": "https://plus.google.com/100580955183019057735", "anchor": "gp-1527003113797", "service": "gp", "text": "I told my wife about this post as we were wondering the Musical Instrument Museum here in Brussels.  She thought I meant this:\nhttps://plus.google.com/photos/100580955183019057735/albums/6558428433561316881/6558428431811252722", "timestamp": 1527003113}, {"author": "Jan-Willem", "source_link": "https://plus.google.com/100580955183019057735", "anchor": "gp-1527003194963", "service": "gp", "text": "Actually you of course meant this sort of thing, which I was surprised to see there:\n<br>\nhttps://plus.google.com/photos/100580955183019057735/albums/6558428783681690049/6558428787206418994", "timestamp": 1527003194}, {"author": "Jeff&nbsp;Kaufman", "source_link": "https://plus.google.com/103013777355236494008", "anchor": "gp-1527004944025", "service": "gp", "text": "@Jan-Willem\n that's Janko, right?  I'm using Wicki-Hayden for now, at least, which makes more sense for the kind of diatonic music I typically play.", "timestamp": 1527004944}, {"author": "Jeff&nbsp;Kaufman", "source_link": "https://plus.google.com/103013777355236494008", "anchor": "gp-1527005964673", "service": "gp", "text": "@Jan-Willem\n \nhttps://www.jefftk.com/p/hexagonal-keyboard-layout-survey", "timestamp": 1527005964}, {"author": "Jan-Willem", "source_link": "https://plus.google.com/100580955183019057735", "anchor": "gp-1527057792169", "service": "gp", "text": "Yeah, I looked at that.  I believe it's Janko, and it was definitely one of the ones mentioned in your post, but while I thought I'd photographed the label I was wrong. :-(", "timestamp": 1527057792}, {"author": "Jeff&nbsp;Kaufman", "source_link": "https://plus.google.com/103013777355236494008", "anchor": "gp-1527093485970", "service": "gp", "text": "Janko is one of the most reasonable improved arrangements for physical pianos, because it still lets you keep the linkages minimal", "timestamp": 1527093485}, {"author": "Jan-Willem", "source_link": "https://plus.google.com/100580955183019057735", "anchor": "gp-1527100543120", "service": "gp", "text": "In this case it's something between a portative organ and a harmonium, so it might have used one of the accordion layouts.  But it blacked the black keys, which certainly reduces the candidates.", "timestamp": 1527100543}, {"author": "Jeff&nbsp;Kaufman", "source_link": "https://plus.google.com/103013777355236494008", "anchor": "gp-1527100692307", "service": "gp", "text": "\"which certainly reduces the candidates\" oh?  Blacking the black keys is pretty common in other layouts; for example the chromatic button accordions do this.", "timestamp": 1527100692}, {"author": "Jan-Willem", "source_link": "https://plus.google.com/100580955183019057735", "anchor": "gp-1527103200693", "service": "gp", "text": "Yes, but presumably the particular arrangement narrows down which layout it might be...", "timestamp": 1527103200}]}