diff --git a/smartapps/smartthings/samsung-multiroom-url-speaker-control.src/samsung-multiroom-url-speaker-control.groovy b/smartapps/smartthings/samsung-multiroom-url-speaker-control.src/samsung-multiroom-url-speaker-control.groovy
new file mode 100644
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+++ b/smartapps/smartthings/samsung-multiroom-url-speaker-control.src/samsung-multiroom-url-speaker-control.groovy
@@ -0,0 +1,334 @@
+/**
+ *  Copyright 2015 SmartThings
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ *  in compliance with the License. You may obtain a copy of the License at:
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
+ *  on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
+ *  for the specific language governing permissions and limitations under the License.
+ *
+ *  Speaker Control
+ *
+ *  Author: SmartThings
+ *
+ *  Date: 2013-12-10
+ *  Modifications Author: Richard Bourne
+ *  Date: 2017-18-02
+ *  Volume control currently does not work for R1 speakers.
+ */
+definition(
+    name: "Samsung Multiroom URL Speaker Control",
+    namespace: "smartthings",
+    author: "Richard Bourne",
+    description: "Play or pause your Samsung Speaker when certain actions take place in your home. Use the URL to define source of audio e.g. Radio/audio server.",
+    category: "SmartThings Labs",
+    iconUrl: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience.png",
+    iconX2Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience@2x.png"
+)
+
+preferences {
+	page(name: "mainPage", title: "Control your Speaker when something happens", install: true, uninstall: true)
+	page(name: "timeIntervalInput", title: "Only during a certain time") {
+		section {
+			input "starting", "time", title: "Starting", required: false
+			input "ending", "time", title: "Ending", required: false
+		}
+	}
+}
+
+def mainPage() {
+	dynamicPage(name: "mainPage") {
+		def anythingSet = anythingSet()
+		if (anythingSet) {
+			section("When..."){
+				ifSet "motion", "capability.motionSensor", title: "Motion Here", required: false, multiple: true
+				ifSet "contact", "capability.contactSensor", title: "Contact Opens", required: false, multiple: true
+				ifSet "contactClosed", "capability.contactSensor", title: "Contact Closes", required: false, multiple: true
+				ifSet "acceleration", "capability.accelerationSensor", title: "Acceleration Detected", required: false, multiple: true
+				ifSet "mySwitch", "capability.switch", title: "Switch Turned On", required: false, multiple: true
+				ifSet "mySwitchOff", "capability.switch", title: "Switch Turned Off", required: false, multiple: true
+				ifSet "arrivalPresence", "capability.presenceSensor", title: "Arrival Of", required: false, multiple: true
+				ifSet "departurePresence", "capability.presenceSensor", title: "Departure Of", required: false, multiple: true
+				ifSet "smoke", "capability.smokeDetector", title: "Smoke Detected", required: false, multiple: true
+				ifSet "water", "capability.waterSensor", title: "Water Sensor Wet", required: false, multiple: true
+				ifSet "button1", "capability.button", title: "Button Press", required:false, multiple:true //remove from production
+				ifSet "triggerModes", "mode", title: "System Changes Mode", required: false, multiple: true
+				ifSet "timeOfDay", "time", title: "At a Scheduled Time", required: false
+			}
+		}
+		section(anythingSet ? "Select additional triggers" : "When...", hideable: anythingSet, hidden: true){
+			ifUnset "motion", "capability.motionSensor", title: "Motion Here", required: false, multiple: true
+			ifUnset "contact", "capability.contactSensor", title: "Contact Opens", required: false, multiple: true
+			ifUnset "contactClosed", "capability.contactSensor", title: "Contact Closes", required: false, multiple: true
+			ifUnset "acceleration", "capability.accelerationSensor", title: "Acceleration Detected", required: false, multiple: true
+			ifUnset "mySwitch", "capability.switch", title: "Switch Turned On", required: false, multiple: true
+			ifUnset "mySwitchOff", "capability.switch", title: "Switch Turned Off", required: false, multiple: true
+			ifUnset "arrivalPresence", "capability.presenceSensor", title: "Arrival Of", required: false, multiple: true
+			ifUnset "departurePresence", "capability.presenceSensor", title: "Departure Of", required: false, multiple: true
+			ifUnset "smoke", "capability.smokeDetector", title: "Smoke Detected", required: false, multiple: true
+			ifUnset "water", "capability.waterSensor", title: "Water Sensor Wet", required: false, multiple: true
+			ifUnset "button1", "capability.button", title: "Button Press", required:false, multiple:true //remove from production
+			ifUnset "triggerModes", "mode", title: "System Changes Mode", required: false, multiple: true
+			ifUnset "timeOfDay", "time", title: "At a Scheduled Time", required: false
+		}
+		section("Perform this action"){
+			input "actionType", "enum", title: "Action?", required: true, defaultValue: "play", options: [
+				"Play URL",
+                "Play",
+				"Stop Playing",
+				"Toggle Play/Pause",
+				"Skip to Next Track",
+				"Play Previous Track"
+                
+			]
+		}
+		section {
+			input "samsungspeaker", "capability.musicPlayer", title: "Speaker music player", required: true
+		}
+		section("More options", hideable: true, hidden: true) {
+			input "volume", "number", title: "Set the volume", description: "0-100%", required: false
+			input "frequency", "decimal", title: "Minimum time between actions (defaults to every event)", description: "Minutes", required: false
+			href "timeIntervalInput", title: "Only during a certain time", description: timeLabel ?: "Tap to set", state: timeLabel ? "complete" : "incomplete"
+			input "days", "enum", title: "Only on certain days of the week", multiple: true, required: false,
+				options: ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]
+			if (settings.modes) {
+            	input "modes", "mode", title: "Only when mode is", multiple: true, required: false
+            }
+			input "oncePerDay", "bool", title: "Only once per day", required: false, defaultValue: false
+		}
+		section([mobileOnly:true]) {
+			label title: "Assign a name", required: false
+			mode title: "Set for specific mode(s)"
+		}
+        section("Define a URL") {
+        input "URL", "text", title: "URL link:", defaultValue: "http://bbcmedia.ic.llnwd.net/stream/bbcmedia_radio1_mf_p", required: true
+        }
+	}
+}
+
+private anythingSet() {
+	for (name in ["motion","contact","contactClosed","acceleration","mySwitch","mySwitchOff","arrivalPresence","departurePresence","smoke","water","button1","triggerModes","timeOfDay"]) {
+		if (settings[name]) {
+			return true
+		}
+	}
+	return false
+}
+
+private ifUnset(Map options, String name, String capability) {
+	if (!settings[name]) {
+		input(options, name, capability)
+	}
+}
+
+private ifSet(Map options, String name, String capability) {
+	if (settings[name]) {
+		input(options, name, capability)
+	}
+}
+
+def installed() {
+	log.debug "Installed with settings: ${settings}"
+	subscribeToEvents()
+}
+
+def updated() {
+	log.debug "Updated with settings: ${settings}"
+	unsubscribe()
+	unschedule()
+	subscribeToEvents()
+}
+
+def subscribeToEvents() {
+	log.trace "subscribeToEvents()"
+	subscribe(app, appTouchHandler)
+	subscribe(contact, "contact.open", eventHandler)
+	subscribe(contactClosed, "contact.closed", eventHandler)
+	subscribe(acceleration, "acceleration.active", eventHandler)
+	subscribe(motion, "motion.active", eventHandler)
+	subscribe(mySwitch, "switch.on", eventHandler)
+	subscribe(mySwitchOff, "switch.off", eventHandler)
+	subscribe(arrivalPresence, "presence.present", eventHandler)
+	subscribe(departurePresence, "presence.not present", eventHandler)
+	subscribe(smoke, "smoke.detected", eventHandler)
+	subscribe(smoke, "smoke.tested", eventHandler)
+	subscribe(smoke, "carbonMonoxide.detected", eventHandler)
+	subscribe(water, "water.wet", eventHandler)
+	subscribe(button1, "button.pushed", eventHandler)
+
+	if (triggerModes) {
+		subscribe(location, modeChangeHandler)
+	}
+
+	if (timeOfDay) {
+		schedule(timeOfDay, scheduledTimeHandler)
+	}
+}
+
+def eventHandler(evt) {
+	if (allOk) {
+		def lastTime = state[frequencyKey(evt)]
+		if (oncePerDayOk(lastTime)) {
+			if (frequency) {
+				if (lastTime == null || now() - lastTime >= frequency * 60000) {
+					takeAction(evt)
+				}
+				else {
+					log.debug "Not taking action because $frequency minutes have not elapsed since last action"
+				}
+			}
+			else {
+				takeAction(evt)
+			}
+		}
+		else {
+			log.debug "Not taking action because it was already taken today"
+		}
+	}
+}
+
+def modeChangeHandler(evt) {
+	log.trace "modeChangeHandler $evt.name: $evt.value ($triggerModes)"
+	if (evt.value in triggerModes) {
+		eventHandler(evt)
+	}
+}
+
+def scheduledTimeHandler() {
+	eventHandler(null)
+}
+
+def appTouchHandler(evt) {
+	takeAction(evt)
+}
+
+private takeAction(evt) {
+	log.debug "takeAction($actionType)"
+	def options = [:]
+    
+   	if (settings.volume) {
+    log.debug "volume altered ($options)"
+		samsungspeaker.setLevel(settings.volume as Number)
+        pause(500)
+	}
+    
+	switch (actionType) {
+		case "Play":
+			options ? samsungspeaker.on(options) : samsungspeaker.on()
+			break
+		case "Stop Playing":
+			options ? samsungspeaker.off(options) : samsungspeaker.off()
+			break
+		case "Toggle Play/Pause":
+			def currentStatus = samsungspeaker.currentValue("status")
+			if (currentStatus == "playing") {
+				options ? samsungspeaker.pause(options) : samsungspeaker.pause()
+			}
+			else {
+				options ? samsungspeaker.play(options) : samsungspeaker.play()
+			}
+			break
+		case "Skip to Next Track":
+			options ? samsungspeaker.nextTrack(options) : samsungspeaker.nextTrack()
+			break
+		case "Play Previous Track":
+			options ? samsungspeaker.previousTrack(options) : samsungspeaker.previousTrack()
+			break
+        case "Play URL":
+        	samsungspeaker.playTrack(settings.URL as String)
+			break
+        case "5":
+        	samsungspeaker.playTrack(settings.URL as String)
+			break        
+        break
+		default:
+			log.error "Action type '$actionType' not defined"
+	}
+
+	if (frequency) {
+		state.lastActionTimeStamp = now()
+	}
+}
+
+private frequencyKey(evt) {
+	//evt.deviceId ?: evt.value
+	"lastActionTimeStamp"
+}
+
+private dayString(Date date) {
+	def df = new java.text.SimpleDateFormat("yyyy-MM-dd")
+	if (location.timeZone) {
+		df.setTimeZone(location.timeZone)
+	}
+	else {
+		df.setTimeZone(TimeZone.getTimeZone("America/New_York"))
+	}
+	df.format(date)
+}
+
+private oncePerDayOk(Long lastTime) {
+	def result = true
+	if (oncePerDay) {
+		result = lastTime ? dayString(new Date()) != dayString(new Date(lastTime)) : true
+		log.trace "oncePerDayOk = $result"
+	}
+	result
+}
+
+// TODO - centralize somehow
+private getAllOk() {
+	modeOk && daysOk && timeOk
+}
+
+private getModeOk() {
+	def result = !modes || modes.contains(location.mode)
+	log.trace "modeOk = $result"
+	result
+}
+
+private getDaysOk() {
+	def result = true
+	if (days) {
+		def df = new java.text.SimpleDateFormat("EEEE")
+		if (location.timeZone) {
+			df.setTimeZone(location.timeZone)
+		}
+		else {
+			df.setTimeZone(TimeZone.getTimeZone("America/New_York"))
+		}
+		def day = df.format(new Date())
+		result = days.contains(day)
+	}
+	log.trace "daysOk = $result"
+	result
+}
+
+private getTimeOk() {
+	def result = true
+	if (starting && ending) {
+		def currTime = now()
+		def start = timeToday(starting, location?.timeZone).time
+		def stop = timeToday(ending, location?.timeZone).time
+		result = start < stop ? currTime >= start && currTime <= stop : currTime <= stop || currTime >= start
+	}
+	log.trace "timeOk = $result"
+	result
+}
+
+private hhmm(time, fmt = "h:mm a")
+{
+	def t = timeToday(time, location.timeZone)
+	def f = new java.text.SimpleDateFormat(fmt)
+	f.setTimeZone(location.timeZone ?: timeZone(time))
+	f.format(t)
+}
+
+private timeIntervalLabel()
+{
+	(starting && ending) ? hhmm(starting) + "-" + hhmm(ending, "h:mm a z") : ""
+}
+// TODO - End Centralize
+