diff --git a/Modality/MKtlDescriptions/akai-mpkmini2.desc.scd b/Modality/MKtlDescriptions/akai-mpkmini2.desc.scd
index 18bf97dd..ff3943db 100755
--- a/Modality/MKtlDescriptions/akai-mpkmini2.desc.scd
+++ b/Modality/MKtlDescriptions/akai-mpkmini2.desc.scd
@@ -1,12 +1,9 @@
-// contributed by gil fuser
-
 /*
-* todo:
-* test on osx
-* add gui layout
-
-MKtl(\x, "*mpk*2").gui;
-MKtl(\x).trace;
+* todo: test on osx
+m = MKtl(\mpk2, "akai-mpkmini2");
+m.gui;
+m.trace;
+m.trace(false);
 */
 
 (
@@ -15,84 +12,135 @@ protocol: 'midi',
 deviceType: 'midiKeyboard',
 elementTypes: [\knob, \key, \pad, \bend],
 status: (
-	linux: "tested and working",
-	osx: "tested desc only, looks ok, no gui info yet. 2016-03-17, adc",
-	win: "tested and working"),
+    linux: "tested and working",
+    osx: "unknown",
+    win: "tested and working"),
 
 idInfo: "MPKmini2",
 
 // hardwarePages: [1, 2, 3, 4],
 
 deviceInfo: (
-	vendorURI: 'http://www.akaipro.com/product/mpk-mini-mkii',
-	manualURI: 'http://6be54c364949b623a3c0-4409a68c214f3a9eeca8d0265e9266c0.r0.cf2.rackcdn.com/988/documents/MPK%20mini%20-%20User%20Guide%20-%20v1.0.pdf',
-	features: [\pianoKey, \pad, \knob, \bender],
-	notes:
-	"Uses default presets.\n"
-	"Every key was mapped, with the exception of ```Prog Change```.\n"
-	"Accidental ```Prog-Change``` activation on the device needs to be reverted by ```Bank A/B```.\n"
-	"For more flexibility use the [MPK MiniMKII editor](http://www.akaipro.com/product/mpk-mini-mkii#downloads).",
-	longName: "AKAI MPKmini mk2"
+    vendorURI: 'http://www.akaipro.com/product/mpk-mini-mkii',
+    manualURI: 'http://6be54c364949b623a3c0-4409a68c214f3a9eeca8d0265e9266c0.r0.cf2.rackcdn.com/988/documents/MPK%20mini%20-%20User%20Guide%20-%20v1.0.pdf',
+    features: [\pianoKey, \pad, \knob, \bender],
+    notes:
+    "Uses only ```Program 1```.\n"
+    "To use the other hardware programs is it suggested to first edit the midi mapping in the device in order to avoid overlapping as occours in the defaults.\n"
+    "Use the MKP Mini Editor for that. Download link here: : [MPK MiniMKII editor](http://www.akaipro.com/product/mpk-mini-mkii#downloads)\n",
+    longName: "AKAI MPKmini mk2"
 ),
-elementsDesc: (
-	elements: [
-
-		// ------- bend ------------
-		( key: \bend,
-			\midiChan: 0, \midiMsgType: \bend, \elementType: \bender, \spec: \midiBend
-		),
-		// ------ pad -------------
-		(
-			key: \pad,
-			shared: (\midiMsgType: \noteOnOff, \midiChan: 9, \spec: \midiCC, \elementType: \pad),
-			elements: ((36..38)++(40)++(42..53)++(55)++(57)++(59..75)++(82)).collect { |i|
-				(key: (i).asSymbol, \midiNum: i)
-			}
-		),
-		// ------ pad into button -------------
-		(
-			key: \bt,
-			shared: (\midiMsgType: \cc, \elementType: \button, \spec: \midiCC ),
-			elements: [
-
-				(
-					shared: (\midiChan: 0),
-					elements: (28..35).collect { |i|
-						(key: (i).asSymbol, \midiNum: i)
-					}
-				),
-				(
-					shared: (\midiChan: 9),
-					elements: (0..16).collect { |i|
-						(key: (i).asSymbol, \midiNum: i)
-					}
-				),
 
-
-
-			]
-		),
-		// ------ knob -------------
-		(
-			key: \kn,
-			shared: (\midiMsgType: \cc, \elementType: \knob,
-				\midiChan: 0, \spec: \midiCC),
-			elements: ((1..8)++(16..27)).collect { |i, item|
-				item = item + 1;
-				(key: (i).asSymbol, \midiNum: i)
-			}
-		),
-		// ------ piano key -------------
-		(
-			key: \key,
-			shared: (\midiMsgType: \noteOnOff, \elementType: \pianoKey,
-				\midiChan: 0, \spec: \midiVel),
-			elements: (0..120).collect { |i|
-				(key: (i).asSymbol, \midiNum: i)
-			}
-		),
-	]
+elementsDesc: (
+    
+    shared: (midiChan: 0),
+    elements:
+    [
+        (
+            // ------ pad -------------
+            key: \pad,
+            shared: ( elementType: \pad ),
+            elements:
+            [
+                (
+                    // ------ bank A -------------
+                    key: \bA,
+                    elements:
+                    [
+                        (
+                            key: \note,
+                            shared: ( spec: \midiVel, midiMsgType: \noteOn, groupType: \noteOnOffBut ),
+                            elements: ( 44..51 ).collect{ |num, i|
+                                (
+                                    key: i.asSymbol,
+                                    shared: ( midiNum: num, style:( row: 1 - (i div:4), column: 2 + (i % 4)) )
+                                )
+                            }
+                        ),
+                        (
+                            key: \ccm,
+                            shared: ( spec: \midiCC, midiMsgType: \cc ),
+                            elements: ( 20..27 ).collect{ |num, i|
+                                (
+                                    key: i.asSymbol,
+                                    midiNum: num,
+                                    style:( row: 4.5 + (1 - (i div:4)), column: 2 + (i % 4))
+                                )
+                            }
+                        ),
+                    ]
+                ),
+                (
+                    // ------ bank B -------------
+                    key: \bB,
+                    elements:
+                    [
+                        (
+                            key: \note,
+                            shared: ( spec: \midiVel, midiMsgType: \noteOn, groupType: \noteOnOffBut ),
+                            elements: ( 32..39 ).collect{ |num, i|
+                                (
+                                    key: i.asSymbol,
+                                    shared: ( midiNum: num, style:( row: 2.25 + (1 - (i div:4)), column: 2 + (i % 4)) )
+                                )
+                            }
+                        ),
+                        (
+                            key: \ccm,
+                            shared: ( spec: \midiCC, midiMsgType: \cc ),
+                            elements: ( 28..35 ).collect{ |num, i|
+                                (
+                                    key: i.asSymbol,
+                                    midiNum: num,
+                                    style:( row: 6.75 + (1 - (i div:4)), column: 2 + (i % 4))
+                                )
+                            }
+                        ),
+                    ]
+                ),
+            ]
+        ),
+        
+        // ------ knob -------------
+        (
+            key: \kn,
+            shared: ( spec: \midiCC, midiMsgType: \cc, elementType: \knob ),
+            elements: ( 1..8 ).collect{ |num, i|
+                (
+                    key: i.asSymbol,
+                    midiNum: num, style:( row: i div:4, column: 6 + (i % 4) ),
+                )
+            }
+        ),
+        
+        //////// piano key //////////
+        (
+            key: \pkey,
+            shared: ( spec: \midiVel, groupType: \noteOnOff, elementType: \pianoKey ),
+            elements:
+            (0..120).collect { |i|
+                var pos = Piano.pos( i % 25, 0);
+                (
+                    key: i.asSymbol,
+                    shared: (
+                        midiNum: i, groupType: \noteOnOff,
+                        style: (
+                            row: ( i div: 25 * 1.5 ) + (pos.y * 0.6),
+                            column: 10 + (pos.x * 0.65 % 25),
+                            color: pos.color,
+                            width: 0.9,
+                            height: 0.75,
+                        )
+                    )
+                )
+            }
+        ),
+        
+        // ------- bend ------------
+        ( key: \bY,
+            spec: \midiCC, midiMsgType: \cc, midiNum: 2, elementType: \slider, style: (row: 0, column:0.5, width: 0.84, height: 1.75 ) ),
+        ( key: \bX,
+            spec: \midiBend, midiMsgType: \bend, elementType: \xfader, style: (row: 1.66, column:0, width: 1.9 ) ),
+    ]
 )
-
 );
-