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diff --git a/js/front-panels.js b/js/front-panels.js
index 9523728..a5c211f 100644
--- a/js/front-panels.js
+++ b/js/front-panels.js
@@ -7,6 +7,7 @@ import { BehringerModelD } from "./behringer-model-d"
 import { MakeNoise0Coast } from "./make-noise-0-coast"
 import { BehringerCrave } from "./behringer-crave"
 import { EricaPicoIII } from "./erica-pico-iii"
+import { KorgMs20 } from "./korg-ms-20"
 
 export default {
   "behringer-neutron": BehringerNeutron,
@@ -15,5 +16,6 @@ export default {
   "behringer-model-d": BehringerModelD,
   "make-noise-0-coast": MakeNoise0Coast,
   "behringer-crave": BehringerCrave,
-  "erica-pico-iii": EricaPicoIII
+  "erica-pico-iii": EricaPicoIII,
+  "korg-ms-20": KorgMs20,
 }
diff --git a/js/korg-ms-20.js b/js/korg-ms-20.js
new file mode 100644
index 0000000..2a734d9
--- /dev/null
+++ b/js/korg-ms-20.js
@@ -0,0 +1,160 @@
+import { FrontPanel } from "./front-panel"
+
+//
+// Some constants for locations of knobs and connectors, etc.
+//
+const CANVAS_WIDTH = 1024;
+const CANVAS_HEIGHT = 359;
+const CABLE_WIDTH = 5;
+const CELL_RADIUS = 12;
+const CONNECTORS = [ 
+    // Connectors are grouped by row idx
+    {idx: 0, col: 0, row: 0, x: 978, y: 40, name: "SIGNAL OUTPUT", input: false},
+
+    {idx: 1, col: 0, row: 1, x: 617, y: 77, name: "TOTAL FM", input: true},
+    {idx: 2, col: 1, row: 1, x: 672, y: 77, name: "FREQ", input: true},
+    {idx: 3, col: 2, row: 1, x: 715, y: 77, name: "EXT SIGNAL", input: true},
+    {idx: 4, col: 3, row: 1, x: 757, y: 77, name: "HP CUTOFF FREQ", input: true},
+    {idx: 5, col: 4, row: 1, x: 804, y: 77, name: "LP CUTOFF FREQ", input: true},
+    {idx: 6, col: 5, row: 1, x: 853, y: 77, name: "INITIAL GAIN", input: true},
+    {idx: 7, col: 6, row: 1, x: 978, y: 77, name: "PHONES", input: false},
+
+    {idx: 8, col: 0, row: 2, x: 617, y: 126, name: "LFO SAW/TRI", input: false},
+    {idx: 9, col: 1, row: 2, x: 692, y: 126, name: "LFO PULSE/SQR", input: false},
+    {idx: 10, col: 2, row: 2, x: 729, y: 126, name: "EG 1 POSITIVE", input: false},
+    {idx: 11, col: 3, row: 2, x: 873, y: 126, name: "EG 2 NEGATIVE", input: false},
+    {idx: 12, col: 4, row: 2, x: 941, y: 126, name: "VCO 1+2 FM", input: true},
+    {idx: 13, col: 5, row: 2, x: 978, y: 126, name: "KBD CV", input: false},
+
+    {idx: 14, col: 0, row: 3, x: 905, y: 145, name: "VCO 2 FM", input: true},
+
+    {idx: 15, col: 0, row: 4, x: 655, y: 163, name: "S&H CLOCK", input: true},
+    {idx: 16, col: 1, row: 4, x: 729, y: 163, name: "EG 1 NEGATIVE", input: false},
+    {idx: 17, col: 2, row: 4, x: 767, y: 163, name: "VCA 2 CV", input: true},
+    {idx: 18, col: 3, row: 4, x: 825, y: 163, name: "EG 2 TRIGGER", input: true},
+    {idx: 19, col: 4, row: 4, x: 941, y: 163, name: "EG 1+2 TRIGGER", input: true},
+    {idx: 20, col: 5, row: 4, x: 978, y: 163, name: "KBD TRIGGER", input: false},
+
+    {idx: 21, col: 0, row: 5, x: 617, y: 201, name: "S&H INPUT", input: true},
+    {idx: 22, col: 1, row: 5, x: 692, y: 201, name: "S&H OUTPUT", input: false},
+    {idx: 23, col: 2, row: 5, x: 729, y: 201, name: "VCA 2 INPUT", input: true},
+    {idx: 24, col: 3, row: 5, x: 787, y: 201, name: "VCA 2 OUTPUT", input: false},
+    {idx: 25, col: 4, row: 5, x: 825, y: 201, name: "PINK NOISE", input: false},
+    {idx: 26, col: 5, row: 5, x: 900, y: 201, name: "WHITE NOISE", input: false},
+    {idx: 27, col: 6, row: 5, x: 941, y: 201, name: "MOD WHEEL", input: false},
+    {idx: 28, col: 7, row: 5, x: 978, y: 201, name: "PUSH BUTTON", input: false},
+
+    {idx: 29, col: 0, row: 6, x: 617, y: 253, name: "EXT SIGNAL INPUT", input: true},
+    {idx: 30, col: 1, row: 6, x: 692, y: 253, name: "EXT AMP OUTPUT", input: false},
+    {idx: 31, col: 2, row: 6, x: 767, y: 253, name: "EXT FILTER OUTPUT", input: false},
+    {idx: 32, col: 3, row: 6, x: 842, y: 253, name: "EXT CONVERTER OUTPUT", input: false},
+    {idx: 33, col: 4, row: 6, x: 941, y: 253, name: "EXT ENV OUTPUT", input: false},
+    {idx: 34, col: 5, row: 6, x: 978, y: 253, name: "EXT TRIGGER OUTPUT", input: false},
+]
+const KNOBS = [
+    // Knobs are grouped by column idx
+    {idx: 0, x: 51, y: 75, type: "rotary", name: "VCO 1 WAVEFORM"},
+    {idx: 1, x: 51.5, y: 147, type: "small", name: "VCO 1 PULSE WIDTH"},
+    {idx: 2, x: 51, y: 222, type: "rotary", name: "VCO 1 SCALE"},
+    {idx: 3, x: 51.5, y: 308, type: "small", name: "PORTAMENTO"},
+    
+    {idx: 4, x: 129, y: 75, type: "rotary", name: "VCO 2 WAVEFORM"},
+    {idx: 5, x: 130.5, y: 147, type: "small", name: "VCO 2 PITCH"},
+    {idx: 6, x: 129, y: 222, type: "rotary", name: "VCO 2 SCALE"},
+    {idx: 7, x: 130.5, y: 308, type: "small", name: "MASTER TUNE"},
+    
+    {idx: 8, x: 205.5, y: 74, type: "small", name: "VCO 1 LEVEL"},
+    {idx: 9, x: 205.5, y: 155, type: "small", name: "VCO 2 LEVEL"},
+    {idx: 10, x: 205.5, y: 249, type: "small", name: "MG FM"},
+    {idx: 11, x: 205.5, y: 308, type: "small", name: "EG 1 FM"},
+
+    {idx: 12, x: 276.5, y: 74, type: "large", name: "HP CUTOFF"},
+    {idx: 13, x: 276.5, y: 155, type: "small", name: "PEAK HP"},
+    {idx: 14, x: 276.5, y: 249, type: "small", name: "MG CFM HP"},
+    {idx: 15, x: 276.5, y: 308, type: "small", name: "EG 2 CFM HP"},
+    
+    {idx: 16, x: 347.5, y: 74, type: "large", name: "LP CUTOFF"},
+    {idx: 17, x: 347.5, y: 155, type: "small", name: "PEAK LP"},
+    {idx: 18, x: 347.5, y: 249, type: "small", name: "MG CFM LP"},
+    {idx: 19, x: 347.5, y: 308, type: "small", name: "EG 2 CFM LP"},
+
+    {idx: 20, x: 418.5, y: 249, type: "small", name: "MG WAVEFORM"},
+    {idx: 21, x: 418.5, y: 308, type: "small", name: "MG FREQUENCY"},
+
+    {idx: 22, x: 489.5, y: 190, type: "small", name: "EG 1 DELAY"},
+    {idx: 23, x: 489.5, y: 249, type: "small", name: "EG 1 ATTACK"},
+    {idx: 24, x: 489.5, y: 308, type: "small", name: "EG 1 RELEASE"},
+
+    {idx: 25, x: 560.5, y: 73, type: "small", name: "EG 2 HOLD"},
+    {idx: 26, x: 560.5, y: 131, type: "small", name: "EG 2 ATTACK"},
+    {idx: 27, x: 560.5, y: 190, type: "small", name: "EG 2 DECAY"},
+    {idx: 28, x: 560.5, y: 249, type: "small", name: "EG 2 SUSTAIN"},
+    {idx: 29, x: 560.5, y: 308, type: "small", name: "EG 2 RELEASE"},
+
+    {idx: 30, x: 627.5, y: 308, type: "small", name: "EXT SIGNAL LEVEL"},
+    {idx: 31, x: 683.5, y: 308, type: "small", name: "EXT LOW CUT"},
+    {idx: 32, x: 739.5, y: 308, type: "small", name: "EXT HIGH CUT"},
+    {idx: 33, x: 795.5, y: 308, type: "small", name: "EXT CV ADJUST"},
+    {idx: 34, x: 851.5, y: 308, type: "small", name: "EXT THRESHOLD"},
+
+    {idx: 35, x: 918.5, y: 61, type: "volume", name: "VOLUME / POWER"},
+]
+const KNOB_TYPES = {
+  rotary: {radius: 57, limit: 90},
+  small: {radius: 41, limit: 300},
+  large: {radius: 57, limit: 300},
+  volume: {radius: 57, limit: 300},
+}
+
+// no toggles on the MS-20
+const TOGGLES = [] 
+const TOGGLE_TYPES = {}
+
+const TOGGLE_WIDTH = 40
+const TOGGLE_HEIGHT = 40
+
+export class KorgMs20 extends FrontPanel {
+  constructor() {
+    super({
+      deviceName: "korg-ms-20",
+      canvasWidth: CANVAS_WIDTH,
+      canvasHeight: CANVAS_HEIGHT,
+      connectors: CONNECTORS,
+      connectorOptions: {
+        cellRadius: CELL_RADIUS,
+        cableWidth: CABLE_WIDTH
+      },
+      knobs: KNOBS,
+      knobTypes: KNOB_TYPES,
+      toggles: TOGGLES,
+      toggleOptions: {
+        types: TOGGLE_TYPES,
+        width: TOGGLE_WIDTH,
+        height: TOGGLE_HEIGHT
+      },
+      initialValues: {
+        knobValues: [
+            ...Array(5).fill(0), 
+            150, 
+            0, 
+            150, 
+            ...Array(12).fill(0), 
+            150, 
+            ...Array(14).fill(0), 
+            180
+        ],
+        toggleValues: []
+      },
+      images: {
+        panel: "/images/ms-20/ms-20-front.png",
+        knobs: {
+          rotary: "/images/ms-20/ms-20-knob-rotary.png",
+          small: "/images/ms-20/ms-20-knob-small.png",
+          large: "/images/ms-20/ms-20-knob-large.png",
+          volume: "/images/ms-20/ms-20-knob-volume.png"
+        },
+      }
+    })
+  }
+
+}