diff --git a/media/libmediametrics/include/MediaMetricsConstants.h b/media/libmediametrics/include/MediaMetricsConstants.h
index 27f987d..ba3df59 100644
--- a/media/libmediametrics/include/MediaMetricsConstants.h
+++ b/media/libmediametrics/include/MediaMetricsConstants.h
@@ -72,6 +72,7 @@
 
 // Keys are strings used for MediaMetrics Item Keys
 #define AMEDIAMETRICS_KEY_AUDIO_FLINGER       AMEDIAMETRICS_KEY_PREFIX_AUDIO "flinger"
+#define AMEDIAMETRICS_KEY_AUDIO_MIDI          AMEDIAMETRICS_KEY_PREFIX_AUDIO "midi"
 #define AMEDIAMETRICS_KEY_AUDIO_POLICY        AMEDIAMETRICS_KEY_PREFIX_AUDIO "policy"
 
 // Error keys
@@ -124,9 +125,13 @@
 #define AMEDIAMETRICS_PROP_CHANNELMASK    "channelMask"    // int32
 #define AMEDIAMETRICS_PROP_CHANNELMASKS   "channelMasks"   // string with channelMask values
                                                            // separated by |.
+#define AMEDIAMETRICS_PROP_CLOSEDCOUNT   "closedCount"    // int32 (MIDI)
 #define AMEDIAMETRICS_PROP_CONTENTTYPE    "contentType"    // string attributes (AudioTrack)
 #define AMEDIAMETRICS_PROP_CUMULATIVETIMENS "cumulativeTimeNs" // int64_t playback/record time
                                                            // since start
+#define AMEDIAMETRICS_PROP_DEVICEDISCONNECTED "deviceDisconnected" // string true/false (MIDI)
+#define AMEDIAMETRICS_PROP_DEVICEID       "deviceId"       // int32 device id (MIDI)
+
 // DEVICE values are averaged since starting on device
 #define AMEDIAMETRICS_PROP_DEVICELATENCYMS "deviceLatencyMs" // double - avg latency time
 #define AMEDIAMETRICS_PROP_DEVICESTARTUPMS "deviceStartupMs" // double - avg startup time
@@ -150,12 +155,15 @@
 #define AMEDIAMETRICS_PROP_FLAGS          "flags"
 
 #define AMEDIAMETRICS_PROP_FRAMECOUNT     "frameCount"     // int32
+#define AMEDIAMETRICS_PROP_HARDWARETYPE   "hardwareType"   // int32 (MIDI)
 #define AMEDIAMETRICS_PROP_HASHEADTRACKER  "hasHeadTracker" // string true/false
 #define AMEDIAMETRICS_PROP_HEADTRACKERENABLED "headTrackerEnabled" // string true/false
 #define AMEDIAMETRICS_PROP_HEADTRACKINGMODES "headTrackingModes" // string |, like modes.
 #define AMEDIAMETRICS_PROP_INPUTDEVICES   "inputDevices"   // string value
+#define AMEDIAMETRICS_PROP_INPUTPORTCOUNT  "inputPortCount" // int32 (MIDI)
 #define AMEDIAMETRICS_PROP_INTERNALTRACKID "internalTrackId" // int32
 #define AMEDIAMETRICS_PROP_INTERVALCOUNT  "intervalCount"  // int32
+#define AMEDIAMETRICS_PROP_ISSHARED      "isShared"       // string true/false (MIDI)
 #define AMEDIAMETRICS_PROP_LATENCYMS      "latencyMs"      // double value
 #define AMEDIAMETRICS_PROP_LEVELS         "levels"          // string | with levels
 #define AMEDIAMETRICS_PROP_LOGSESSIONID   "logSessionId"   // hex string, "" none
@@ -165,7 +173,9 @@
 #define AMEDIAMETRICS_PROP_MODES          "modes"          // string | with modes
 #define AMEDIAMETRICS_PROP_NAME           "name"           // string value
 #define AMEDIAMETRICS_PROP_ORIGINALFLAGS  "originalFlags"  // int32
+#define AMEDIAMETRICS_PROP_OPENEDCOUNT   "openedCount"    // int32 (MIDI)
 #define AMEDIAMETRICS_PROP_OUTPUTDEVICES  "outputDevices"  // string value
+#define AMEDIAMETRICS_PROP_OUTPUTPORTCOUNT "outputPortCount" // int32 (MIDI)
 #define AMEDIAMETRICS_PROP_PERFORMANCEMODE "performanceMode"    // string value, "none", lowLatency"
 #define AMEDIAMETRICS_PROP_PLAYBACK_PITCH "playback.pitch" // double value (AudioTrack)
 #define AMEDIAMETRICS_PROP_PLAYBACK_SPEED "playback.speed" // double value (AudioTrack)
@@ -194,6 +204,13 @@
                                                            // Treated as "debug" information.
 
 #define AMEDIAMETRICS_PROP_STREAMTYPE     "streamType"     // string (AudioTrack)
+#define AMEDIAMETRICS_PROP_SUPPORTSMIDIUMP "supportsMidiUmp" // string true/false (MIDI).
+                                                             // Universal MIDI Packets is a new
+                                                             // format to transport packets.
+                                                             // Raw byte streams are used if this
+                                                             // is false.
+#define AMEDIAMETRICS_PROP_TOTALINPUTBYTES "totalInputBytes" // int32 (MIDI)
+#define AMEDIAMETRICS_PROP_TOTALOUTPUTBYTES "totalOutputBytes" // int32 (MIDI)
 #define AMEDIAMETRICS_PROP_THREADID       "threadId"       // int32 value io handle
 #define AMEDIAMETRICS_PROP_THROTTLEMS     "throttleMs"     // double
 #define AMEDIAMETRICS_PROP_TRACKID        "trackId"        // int32 port id of track/record
@@ -202,6 +219,7 @@
 #define AMEDIAMETRICS_PROP_UNDERRUN       "underrun"       // int32
 #define AMEDIAMETRICS_PROP_UNDERRUNFRAMES "underrunFrames" // int64_t from Thread
 #define AMEDIAMETRICS_PROP_USAGE          "usage"          // string attributes (ATrack)
+#define AMEDIAMETRICS_PROP_USINGALSA     "usingAlsa"      // string true/false (MIDI)
 #define AMEDIAMETRICS_PROP_VOICEVOLUME    "voiceVolume"    // double (audio.flinger)
 #define AMEDIAMETRICS_PROP_VOLUME_LEFT    "volume.left"    // double (AudioTrack)
 #define AMEDIAMETRICS_PROP_VOLUME_RIGHT   "volume.right"   // double (AudioTrack)
@@ -226,6 +244,7 @@
 #define AMEDIAMETRICS_PROP_EVENT_VALUE_CREATE     "create"
 #define AMEDIAMETRICS_PROP_EVENT_VALUE_CREATEAUDIOPATCH "createAudioPatch"
 #define AMEDIAMETRICS_PROP_EVENT_VALUE_CTOR       "ctor"
+#define AMEDIAMETRICS_PROP_EVENT_VALUE_DEVICECLOSED "deviceClosed" // MIDI
 #define AMEDIAMETRICS_PROP_EVENT_VALUE_DISCONNECT "disconnect"
 #define AMEDIAMETRICS_PROP_EVENT_VALUE_DTOR       "dtor"
 #define AMEDIAMETRICS_PROP_EVENT_VALUE_ENDAAUDIOSTREAM "endAAudioStream" // AAudioStream
diff --git a/services/mediametrics/AudioAnalytics.cpp b/services/mediametrics/AudioAnalytics.cpp
index 119bb6c..7af6c41 100644
--- a/services/mediametrics/AudioAnalytics.cpp
+++ b/services/mediametrics/AudioAnalytics.cpp
@@ -269,6 +269,24 @@
     "enabled",
 };
 
+static constexpr const char * const MidiDeviceCloseFields[] {
+    "mediametrics_midi_device_close_reported",
+    "uid",
+    "midi_device_id",
+    "input_port_count",
+    "output_port_count",
+    "device_type",
+    "is_shared",
+    "supports_ump",
+    "using_alsa",
+    "duration_ns",
+    "opened_count",
+    "closed_count",
+    "device_disconnected",
+    "total_input_bytes",
+    "total_output_bytes",
+};
+
 /**
  * printFields is a helper method that prints the fields and corresponding values
  * in a human readable style.
@@ -497,6 +515,15 @@
             [this](const std::shared_ptr<const android::mediametrics::Item> &item){
                 mSpatializer.onEvent(item);
             }));
+
+    // Handle MIDI
+    mActions.addAction(
+        AMEDIAMETRICS_KEY_AUDIO_MIDI "." AMEDIAMETRICS_PROP_EVENT,
+        std::string(AMEDIAMETRICS_PROP_EVENT_VALUE_DEVICECLOSED),
+        std::make_shared<AnalyticsActions::Function>(
+            [this](const std::shared_ptr<const android::mediametrics::Item> &item) {
+                mMidiLogging.onEvent(item);
+            }));
 }
 
 AudioAnalytics::~AudioAnalytics()
@@ -1710,6 +1737,127 @@
     return { s, n };
 }
 
+void AudioAnalytics::MidiLogging::onEvent(
+        const std::shared_ptr<const android::mediametrics::Item> &item) const {
+    const std::string& key = item->getKey();
+
+    const auto uid = item->getUid();
+
+    int32_t deviceId = -1;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_DEVICEID, &deviceId);
+
+    int32_t inputPortCount = -1;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_INPUTPORTCOUNT, &inputPortCount);
+
+    int32_t outputPortCount = -1;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_OUTPUTPORTCOUNT, &outputPortCount);
+
+    int32_t hardwareType = -1;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_HARDWARETYPE, &hardwareType);
+
+    std::string isSharedString;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_ISSHARED, &isSharedString);
+    const bool isShared = (isSharedString == "true");
+
+    std::string supportsMidiUmpString;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_SUPPORTSMIDIUMP, &supportsMidiUmpString);
+    const bool supportsMidiUmp = (supportsMidiUmpString == "true");
+
+    std::string usingAlsaString;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_USINGALSA, &usingAlsaString);
+    const bool usingAlsa = (usingAlsaString == "true");
+
+    int64_t durationNs = -1;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_DURATIONNS, &durationNs);
+
+    int32_t openedCount = -1;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_OPENEDCOUNT, &openedCount);
+
+    int32_t closedCount = -1;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_CLOSEDCOUNT, &closedCount);
+
+    std::string deviceDisconnectedString;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_DEVICEDISCONNECTED, &deviceDisconnectedString);
+    const bool deviceDisconnected = (deviceDisconnectedString == "true");
+
+    int32_t totalInputBytes = -1;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_TOTALINPUTBYTES, &totalInputBytes);
+
+    int32_t totalOutputBytes = -1;
+    mAudioAnalytics.mAnalyticsState->timeMachine().get(
+            key, AMEDIAMETRICS_PROP_TOTALOUTPUTBYTES, &totalOutputBytes);
+
+    LOG(LOG_LEVEL) << "key:" << key
+            << " uid:" << uid
+            << " id:" << deviceId
+            << " input_port_count:" << inputPortCount
+            << " output_port_count:" << outputPortCount
+            << " device_type:" << hardwareType
+            << " is_shared:" << isSharedString
+            << " supports_ump:" << supportsMidiUmpString
+            << " using_alsa:" << usingAlsaString
+            << " duration_opened_ms:" << durationNs
+            << " opened_count:" << openedCount
+            << " closed_count:" << closedCount
+            << " device_disconnected:" << deviceDisconnectedString
+            << " total_input_bytes:" << totalInputBytes
+            << " total_output_bytes:" << totalOutputBytes;
+
+    if (mAudioAnalytics.mDeliverStatistics) {
+        const auto result = sendToStatsd(
+                CONDITION(stats::media_metrics::MEDIAMETRICS_MIDI_DEVICE_CLOSE_REPORTED)
+                , uid
+                , deviceId
+                , inputPortCount
+                , outputPortCount
+                , hardwareType
+                , isShared
+                , supportsMidiUmp
+                , usingAlsa
+                , durationNs
+                , openedCount
+                , closedCount
+                , deviceDisconnected
+                , totalInputBytes
+                , totalOutputBytes);
+        std::stringstream ss;
+        ss << "result:" << result;
+        const auto fieldsStr = printFields(MidiDeviceCloseFields,
+                CONDITION(stats::media_metrics::MEDIAMETRICS_MIDI_DEVICE_CLOSE_REPORTED)
+                , uid
+                , deviceId
+                , inputPortCount
+                , outputPortCount
+                , hardwareType
+                , isShared
+                , supportsMidiUmp
+                , usingAlsa
+                , durationNs
+                , openedCount
+                , closedCount
+                , deviceDisconnected
+                , totalInputBytes
+                , totalOutputBytes);
+        ss << " " << fieldsStr;
+        std::string str = ss.str();
+        ALOGV("%s: statsd %s", __func__, str.c_str());
+        mAudioAnalytics.mStatsdLog->log(
+                stats::media_metrics::MEDIAMETRICS_MIDI_DEVICE_CLOSE_REPORTED, str);
+    }
+}
+
 // This method currently suppresses the name.
 std::string AudioAnalytics::getDeviceNamesFromOutputDevices(std::string_view devices) const {
     std::string deviceNames;
diff --git a/services/mediametrics/include/mediametricsservice/AudioAnalytics.h b/services/mediametrics/include/mediametricsservice/AudioAnalytics.h
index 82e928e..f0a4ac8 100644
--- a/services/mediametrics/include/mediametricsservice/AudioAnalytics.h
+++ b/services/mediametrics/include/mediametricsservice/AudioAnalytics.h
@@ -363,6 +363,20 @@
         SimpleLog mSimpleLog GUARDED_BY(mLock) {64};
     } mSpatializer{*this};
 
+    // MidiLogging collects info whenever a MIDI device is closed.
+    class MidiLogging {
+    public:
+        explicit MidiLogging(AudioAnalytics &audioAnalytics)
+            : mAudioAnalytics(audioAnalytics) {}
+
+        void onEvent(
+                const std::shared_ptr<const android::mediametrics::Item> &item) const;
+
+    private:
+
+        AudioAnalytics &mAudioAnalytics;
+    } mMidiLogging{*this};
+
     AudioPowerUsage mAudioPowerUsage;
 };