diff --git a/src/AudibleInstruments.hpp b/src/AudibleInstruments.hpp
index ed1f237..bfbbff8 100644
--- a/src/AudibleInstruments.hpp
+++ b/src/AudibleInstruments.hpp
@@ -4,18 +4,6 @@
 using namespace rack;
 
 
-struct TripleModeLight : ValueLight {
-	void step() {
-		int mode = (int)roundf(getf(value));
-		if (mode == 0)
-			color = nvgRGB(0x22, 0xe6, 0xef);
-		else if (mode == 1)
-			color = nvgRGB(0xf2, 0xb1, 0x20);
-		else
-			color = nvgRGB(0xed, 0x2c, 0x24);
-	}
-};
-
 ////////////////////
 // module widgets
 ////////////////////
diff --git a/src/Rings.cpp b/src/Rings.cpp
index b7fa125..a298a92 100644
--- a/src/Rings.cpp
+++ b/src/Rings.cpp
@@ -53,10 +53,34 @@ struct Rings : Module {
 	rings::Strummer strummer;
 	bool strum = false;
 	bool lastStrum = false;
+	float lights[2] = {};
+	Trigger polyphonyTrigger;
+	Trigger modelTrigger;
+	int polyphonyMode = 0;
+	int model = 0;
 
 	Rings();
-	~Rings();
 	void step();
+
+	json_t *toJsonData() {
+		json_t *root = json_object();
+
+		json_object_set_new(root, "polyphony", json_integer(polyphonyMode));
+		json_object_set_new(root, "model", json_integer(model));
+
+		return root;
+	}
+	void fromJsonData(json_t *root) {
+		json_t *polyphonyJ = json_object_get(root, "polyphony");
+		if (polyphonyJ) {
+			polyphonyMode = json_integer_value(polyphonyJ);
+		}
+
+		json_t *modelJ = json_object_get(root, "model");
+		if (modelJ) {
+			model = json_integer_value(modelJ);
+		}
+	}
 };
 
 
@@ -74,9 +98,6 @@ Rings::Rings() {
 	string_synth.Init(reverb_buffer);
 }
 
-Rings::~Rings() {
-}
-
 void Rings::step() {
 	// TODO
 	// "Normalized to a pulse/burst generator that reacts to note changes on the V/OCT input."
@@ -91,6 +112,17 @@ void Rings::step() {
 		strum = getf(inputs[STRUM_INPUT]) >= 1.0;
 	}
 
+	// Polyphony / model
+	if (polyphonyTrigger.process(params[POLYPHONY_PARAM])) {
+		polyphonyMode = (polyphonyMode + 1) % 3;
+	}
+	lights[0] = (float)polyphonyMode;
+
+	if (modelTrigger.process(params[RESONATOR_PARAM])) {
+		model = (model + 1) % 3;
+	}
+	lights[1] = (float)model;
+
 	// Render frames
 	if (outputBuffer.empty()) {
 		float in[24] = {};
@@ -103,21 +135,11 @@ void Rings::step() {
 			inputBuffer.startIncr(inLen);
 		}
 
-		// modes
-		int polyphony;
-		switch ((int) roundf(params[POLYPHONY_PARAM])) {
-			case 1: polyphony = 2; break;
-			case 2: polyphony = 4; break;
-			default: polyphony = 1;
-		}
-		if (polyphony != part.polyphony()) {
+		// Polyphony / model
+		int polyphony = 1<<polyphonyMode;
+		if (part.polyphony() != polyphony)
 			part.set_polyphony(polyphony);
-		}
-
-		int model = (int) roundf(params[RESONATOR_PARAM]);
-		if (0 <= model && model < rings::RESONATOR_MODEL_LAST) {
-			part.set_model((rings::ResonatorModel) model);
-		}
+		part.set_model((rings::ResonatorModel)model);
 
 		// Patch
 		rings::Patch patch;
@@ -192,10 +214,18 @@ void Rings::step() {
 			setf(outputs[EVEN_OUTPUT], v);
 		}
 	}
-
 }
 
 
+struct RingsModeLight : ModeValueLight {
+	RingsModeLight() {
+		addColor(COLOR_CYAN);
+		addColor(COLOR_ORANGE);
+		addColor(COLOR_RED);
+	}
+};
+
+
 RingsWidget::RingsWidget() {
 	Rings *module = new Rings();
 	setModule(module);
@@ -213,8 +243,8 @@ RingsWidget::RingsWidget() {
 	addChild(createScrew<ScrewSilver>(Vec(15, 365)));
 	addChild(createScrew<ScrewSilver>(Vec(180, 365)));
 
-	addParam(createParam<TL1105>(Vec(14, 40), module, Rings::POLYPHONY_PARAM, 0.0, 2.0, 0.0));
-	addParam(createParam<TL1105>(Vec(179, 40), module, Rings::RESONATOR_PARAM, 0.0, 2.0, 0.0));
+	addParam(createParam<TL1105>(Vec(14, 40), module, Rings::POLYPHONY_PARAM, 0.0, 1.0, 0.0));
+	addParam(createParam<TL1105>(Vec(179, 40), module, Rings::RESONATOR_PARAM, 0.0, 1.0, 0.0));
 
 	addParam(createParam<Rogan3PSWhite>(Vec(30, 73), module, Rings::FREQUENCY_PARAM, 0.0, 60.0, 30.0));
 	addParam(createParam<Rogan3PSWhite>(Vec(127, 73), module, Rings::STRUCTURE_PARAM, 0.0, 1.0, 0.5));
@@ -225,9 +255,9 @@ RingsWidget::RingsWidget() {
 
 	addParam(createParam<Trimpot>(Vec(19, 229), module, Rings::BRIGHTNESS_MOD_PARAM, -1.0, 1.0, 0.0));
 	addParam(createParam<Trimpot>(Vec(57, 229), module, Rings::FREQUENCY_MOD_PARAM, -1.0, 1.0, 0.0));
-	addParam(createParam<Trimpot>(Vec(95, 229), module, Rings::DAMPING_MOD_PARAM, -1.0, 1.0, 0.0));
+	addParam(createParam<Trimpot>(Vec(96, 229), module, Rings::DAMPING_MOD_PARAM, -1.0, 1.0, 0.0));
 	addParam(createParam<Trimpot>(Vec(134, 229), module, Rings::STRUCTURE_MOD_PARAM, -1.0, 1.0, 0.0));
-	addParam(createParam<Trimpot>(Vec(172, 229), module, Rings::POSITION_MOD_PARAM, -1.0, 1.0, 0.0));
+	addParam(createParam<Trimpot>(Vec(173, 229), module, Rings::POSITION_MOD_PARAM, -1.0, 1.0, 0.0));
 
 	addInput(createInput<PJ3410Port>(Vec(12, 270), module, Rings::BRIGHTNESS_MOD_INPUT));
 	addInput(createInput<PJ3410Port>(Vec(51, 270), module, Rings::FREQUENCY_MOD_INPUT));
@@ -241,6 +271,6 @@ RingsWidget::RingsWidget() {
 	addOutput(createOutput<PJ3410Port>(Vec(128, 313), module, Rings::ODD_OUTPUT));
 	addOutput(createOutput<PJ3410Port>(Vec(166, 313), module, Rings::EVEN_OUTPUT));
 
-	addChild(createValueLight<SmallLight<TripleModeLight>>(Vec(38, 43.8), &module->params[Rings::POLYPHONY_PARAM]));
-	addChild(createValueLight<SmallLight<TripleModeLight>>(Vec(163, 43.8), &module->params[Rings::RESONATOR_PARAM]));
+	addChild(createValueLight<SmallLight<RingsModeLight>>(Vec(38, 43.8), &module->lights[0]));
+	addChild(createValueLight<SmallLight<RingsModeLight>>(Vec(163, 43.8), &module->lights[1]));
 }
diff --git a/src/Shades.cpp b/src/Shades.cpp
index d4bc55c..1f2c409 100644
--- a/src/Shades.cpp
+++ b/src/Shades.cpp
@@ -90,13 +90,13 @@ ShadesWidget::ShadesWidget() {
 	addChild(createScrew<ScrewSilver>(Vec(15, 0)));
 	addChild(createScrew<ScrewSilver>(Vec(15, 365)));
 
-	addParam(createParam<Rogan1PSRed>(Vec(40, 41), module, Shades::GAIN1_PARAM, 0.0, 1.0, 0.5));
-	addParam(createParam<Rogan1PSWhite>(Vec(40, 107), module, Shades::GAIN2_PARAM, 0.0, 1.0, 0.5));
-	addParam(createParam<Rogan1PSGreen>(Vec(40, 173), module, Shades::GAIN3_PARAM, 0.0, 1.0, 0.5));
+	addParam(createParam<Rogan1PSRed>(Vec(40, 41), module, Shades::GAIN1_PARAM, 0.0, 1.0, 0.0));
+	addParam(createParam<Rogan1PSWhite>(Vec(40, 107), module, Shades::GAIN2_PARAM, 0.0, 1.0, 0.0));
+	addParam(createParam<Rogan1PSGreen>(Vec(40, 173), module, Shades::GAIN3_PARAM, 0.0, 1.0, 0.0));
 
-	addParam(createParam<CKSS>(Vec(10, 52), module, Shades::MODE1_PARAM, 0.0, 1.0, 1.0));
-	addParam(createParam<CKSS>(Vec(10, 118), module, Shades::MODE2_PARAM, 0.0, 1.0, 1.0));
-	addParam(createParam<CKSS>(Vec(10, 184), module, Shades::MODE3_PARAM, 0.0, 1.0, 1.0));
+	addParam(createParam<CKSS>(Vec(10, 52), module, Shades::MODE1_PARAM, 0.0, 1.0, 0.0));
+	addParam(createParam<CKSS>(Vec(10, 118), module, Shades::MODE2_PARAM, 0.0, 1.0, 0.0));
+	addParam(createParam<CKSS>(Vec(10, 184), module, Shades::MODE3_PARAM, 0.0, 1.0, 0.0));
 
 	addInput(createInput<PJ3410Port>(Vec(5, 242), module, Shades::IN1_INPUT));
 	addInput(createInput<PJ3410Port>(Vec(5, 278), module, Shades::IN2_INPUT));
diff --git a/src/Tides.cpp b/src/Tides.cpp
index e5ff3dc..a7b439b 100644
--- a/src/Tides.cpp
+++ b/src/Tides.cpp
@@ -42,9 +42,31 @@ struct Tides : Module {
 	float lights[3] = {};
 	int frame = 0;
 	uint8_t lastGate;
+	Trigger modeTrigger;
+	Trigger rangeTrigger;
 
 	Tides();
 	void step();
+
+	json_t *toJsonData() {
+		json_t *root = json_object();
+
+		json_object_set_new(root, "mode", json_integer((int)generator.mode()));
+		json_object_set_new(root, "range", json_integer((int)generator.range()));
+
+		return root;
+	}
+	void fromJsonData(json_t *root) {
+		json_t *modeJ = json_object_get(root, "mode");
+		if (modeJ) {
+			generator.set_mode((tides::GeneratorMode)json_integer_value(modeJ));
+		}
+
+		json_t *rangeJ = json_object_get(root, "range");
+		if (rangeJ) {
+			generator.set_range((tides::GeneratorRange)json_integer_value(rangeJ));
+		}
+	}
 };
 
 
@@ -55,27 +77,30 @@ Tides::Tides() {
 
 	memset(&generator, 0, sizeof(generator));
 	generator.Init();
-	generator.set_range(tides::GENERATOR_RANGE_LOW);
-	generator.set_mode(tides::GENERATOR_MODE_AD);
+	generator.set_range(tides::GENERATOR_RANGE_MEDIUM);
+	generator.set_mode(tides::GENERATOR_MODE_LOOPING);
 	generator.set_sync(false);
 }
 
 void Tides::step() {
-	if (++frame >= 16) {
-		frame = 0;
+	// TODO Save / load the state of MODE and RANGE to JSON
+	tides::GeneratorMode mode = generator.mode();
+	if (modeTrigger.process(params[MODE_PARAM])) {
+		mode = (tides::GeneratorMode) (((int)mode + 2) % 3);
+		generator.set_mode(mode);
+	}
+	lights[0] = (float)mode;
 
-		// Mode and range
-		tides::GeneratorMode mode = (tides::GeneratorMode) roundf(1.0 - params[MODE_PARAM]);
-		if (mode != generator.mode()) {
-			generator.set_mode(mode);
-		}
-		lights[0] = -params[MODE_PARAM];
+	tides::GeneratorRange range = generator.range();
+	if (rangeTrigger.process(params[RANGE_PARAM])) {
+		range = (tides::GeneratorRange) (((int)range + 2) % 3);
+		generator.set_range(range);
+	}
+	lights[2] = (float)range;
 
-		tides::GeneratorRange range = (tides::GeneratorRange) roundf(1.0 - params[RANGE_PARAM]);
-		if (range != generator.range()) {
-			generator.set_range(range);
-		}
-		lights[2] = -params[RANGE_PARAM];
+	// Buffer loop
+	if (++frame >= 16) {
+		frame = 0;
 
 		// Pitch
 		float pitch = params[FREQUENCY_PARAM];
@@ -141,6 +166,15 @@ void Tides::step() {
 }
 
 
+struct TidesModeLight : ModeValueLight {
+	TidesModeLight() {
+		addColor(COLOR_RED);
+		addColor(COLOR_BLACK_TRANSPARENT);
+		addColor(COLOR_CYAN);
+	}
+};
+
+
 TidesWidget::TidesWidget() {
 	Tides *module = new Tides();
 	setModule(module);
@@ -158,8 +192,8 @@ TidesWidget::TidesWidget() {
 	addChild(createScrew<ScrewSilver>(Vec(15, 365)));
 	addChild(createScrew<ScrewSilver>(Vec(180, 365)));
 
-	addParam(createParam<CKD6>(Vec(19, 52), module, Tides::MODE_PARAM, -1.0, 1.0, 0.0));
-	addParam(createParam<CKD6>(Vec(19, 93), module, Tides::RANGE_PARAM, -1.0, 1.0, 0.0));
+	addParam(createParam<CKD6>(Vec(19, 52), module, Tides::MODE_PARAM, 0.0, 1.0, 0.0));
+	addParam(createParam<CKD6>(Vec(19, 93), module, Tides::RANGE_PARAM, 0.0, 1.0, 0.0));
 
 	addParam(createParam<Rogan3PSGreen>(Vec(79, 60), module, Tides::FREQUENCY_PARAM, -48.0, 48.0, 0.0));
 	addParam(createParam<Rogan1PSGreen>(Vec(156, 66), module, Tides::FM_PARAM, -12.0, 12.0, 0.0));
@@ -184,7 +218,7 @@ TidesWidget::TidesWidget() {
 	addOutput(createOutput<PJ3410Port>(Vec(125, 313), module, Tides::UNI_OUTPUT));
 	addOutput(createOutput<PJ3410Port>(Vec(161, 313), module, Tides::BI_OUTPUT));
 
-	addChild(createValueLight<SmallLight<GreenRedPolarityLight>>(Vec(57, 62), &module->lights[0]));
+	addChild(createValueLight<SmallLight<TidesModeLight>>(Vec(57, 62), &module->lights[0]));
 	addChild(createValueLight<SmallLight<GreenRedPolarityLight>>(Vec(57, 83), &module->lights[1]));
-	addChild(createValueLight<SmallLight<GreenRedPolarityLight>>(Vec(57, 103), &module->lights[2]));
+	addChild(createValueLight<SmallLight<TidesModeLight>>(Vec(57, 103), &module->lights[2]));
 }
diff --git a/src/Warps.cpp b/src/Warps.cpp
index 8e5267b..d764efc 100644
--- a/src/Warps.cpp
+++ b/src/Warps.cpp
@@ -32,9 +32,24 @@ struct Warps : Module {
 	warps::ShortFrame inputFrames[60] = {};
 	warps::ShortFrame outputFrames[60] = {};
 	float lights[1] = {};
+	Trigger stateTrigger;
 
 	Warps();
 	void step();
+
+	json_t *toJsonData() {
+		json_t *root = json_object();
+		warps::Parameters *p = modulator.mutable_parameters();
+		json_object_set_new(root, "shape", json_integer(p->carrier_shape));
+		return root;
+	}
+	void fromJsonData(json_t *root) {
+		json_t *shapeJ = json_object_get(root, "shape");
+		warps::Parameters *p = modulator.mutable_parameters();
+		if (shapeJ) {
+			p->carrier_shape = json_integer_value(shapeJ);
+		}
+	}
 };
 
 
@@ -48,10 +63,17 @@ Warps::Warps() {
 }
 
 void Warps::step() {
+	// State trigger
+	warps::Parameters *p = modulator.mutable_parameters();
+	if (stateTrigger.process(params[STATE_PARAM])) {
+		p->carrier_shape = (p->carrier_shape + 1) % 4;
+	}
+	lights[0] = p->carrier_shape;
+
+	// Buffer loop
 	if (++frame >= 60) {
 		frame = 0;
 
-		warps::Parameters *p = modulator.mutable_parameters();
 		p->channel_drive[0] = clampf(params[LEVEL1_PARAM] + getf(inputs[LEVEL1_INPUT]) / 5.0, 0.0, 1.0);
 		p->channel_drive[1] = clampf(params[LEVEL2_PARAM] + getf(inputs[LEVEL2_INPUT]) / 5.0, 0.0, 1.0);
 		p->modulation_algorithm = clampf(params[ALGORITHM_PARAM] / 8.0 + getf(inputs[ALGORITHM_PARAM]) / 5.0, 0.0, 1.0);
@@ -62,9 +84,6 @@ void Warps::step() {
 		p->phase_shift = p->modulation_algorithm;
 		p->note = 60.0 * params[LEVEL1_PARAM] + 12.0 * getf(inputs[LEVEL1_INPUT], 2.0) + 12.0;
 		p->note += log2f(96000.0 / gSampleRate) * 12.0;
-		float state = roundf(params[STATE_PARAM]);
-		p->carrier_shape = (int32_t)state;
-		lights[0] = state;
 
 		modulator.Process(inputFrames, outputFrames, 60);
 	}
@@ -76,6 +95,15 @@ void Warps::step() {
 }
 
 
+struct WarpsModeLight : ModeValueLight {
+	WarpsModeLight() {
+		addColor(COLOR_BLACK_TRANSPARENT);
+		addColor(COLOR_GREEN);
+		addColor(COLOR_YELLOW);
+		addColor(COLOR_RED);
+	}
+};
+
 WarpsWidget::WarpsWidget() {
 	Warps *module = new Warps();
 	setModule(module);
@@ -96,7 +124,7 @@ WarpsWidget::WarpsWidget() {
 	addParam(createParam<Rogan6PSWhite>(Vec(30, 53), module, Warps::ALGORITHM_PARAM, 0.0, 8.0, 0.0));
 
 	addParam(createParam<Rogan1PSWhite>(Vec(95, 173), module, Warps::TIMBRE_PARAM, 0.0, 1.0, 0.5));
-	addParam(createParam<TL1105>(Vec(16, 182), module, Warps::STATE_PARAM, 0.0, 3.0, 0.0));
+	addParam(createParam<TL1105>(Vec(16, 182), module, Warps::STATE_PARAM, 0.0, 1.0, 0.0));
 	addParam(createParam<Trimpot>(Vec(15, 214), module, Warps::LEVEL1_PARAM, 0.0, 1.0, 1.0));
 	addParam(createParam<Trimpot>(Vec(54, 214), module, Warps::LEVEL2_PARAM, 0.0, 1.0, 1.0));
 
@@ -110,5 +138,5 @@ WarpsWidget::WarpsWidget() {
 	addOutput(createOutput<PJ3410Port>(Vec(77, 313), module, Warps::MODULATOR_OUTPUT));
 	addOutput(createOutput<PJ3410Port>(Vec(113, 313), module, Warps::AUX_OUTPUT));
 
-	addChild(createValueLight<SmallLight<GreenRedPolarityLight>>(Vec(20, 167), &module->lights[0]));
+	addChild(createValueLight<SmallLight<WarpsModeLight>>(Vec(20, 167), &module->lights[0]));
 }