diff --git a/@postman/platformio.ini b/@postman/platformio.ini
index 1affa13..79a4252 100644
--- a/@postman/platformio.ini
+++ b/@postman/platformio.ini
@@ -43,3 +43,10 @@ board = d1_mini_pro
 lib_deps =
   ${env.lib_deps}
 upload_speed = 460800 ; 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600
+
+[env:huzzah]
+platform = espressif8266
+board = huzzah
+lib_deps =
+  ${env.lib_deps}
+upload_speed = 921600 ; 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600
diff --git a/@postman/src/main.cpp b/@postman/src/main.cpp
index 622ee8b..06f0045 100644
--- a/@postman/src/main.cpp
+++ b/@postman/src/main.cpp
@@ -224,23 +224,11 @@ void onDataReceive(uint8_t * mac, uint8_t *incomingData, uint8_t len) {
   if (incomingData[0] == '[' && incomingData[len - 1] == ']' && len == (sizeof(Note) + 2)) {
     Note note;
     memcpy((uint8_t *) &note, incomingData + 1, sizeof(Note));
-    //
-    MONITORING_SERIAL.println(note.to_string());
-    //
-
-    #if defined(REPLICATE_NOTE_REQ)
-    if (millis() - new_note_time > NEW_NOTE_TIMEOUT) {
-      note_now = note;
-      repeat_task.restart();
-      new_note_time = millis();
-    }
-    #endif
-
-    #if defined(HAVE_CLIENT_I2C)
 
     //is this for me & my client?
     if (note.id == MY_GROUP_ID || note.id == MY_ID) {
 
+      #if defined(HAVE_CLIENT_I2C)
       // (struct --> obsolete I2C format.)
       //    --> we want to open & re-construct the msg.
 
@@ -272,12 +260,23 @@ void onDataReceive(uint8_t * mac, uint8_t *incomingData, uint8_t len) {
       Wire.write(msg.c_str(), POST_LENGTH);
       Wire.endTransmission();
 
+      #endif
       //
       hello_delay = note.ps;
       if (hello_delay > 0 && hello_task.isEnabled() == false) {
         hello_task.restart();
       }
     }
+
+    //
+    MONITORING_SERIAL.println(note.to_string());
+
+    #if defined(REPLICATE_NOTE_REQ)
+    if (millis() - new_note_time > NEW_NOTE_TIMEOUT) {
+      note_now = note;
+      repeat_task.restart();
+      new_note_time = millis();
+    }
     #endif
   }
 }
diff --git a/audioooo/src/main.cpp b/audioooo/src/main.cpp
index 1c4c486..19d267f 100644
--- a/audioooo/src/main.cpp
+++ b/audioooo/src/main.cpp
@@ -344,8 +344,11 @@ void onNoteHandler(Note & n) {
     screen_cmd_notify_task.restart();
     //
     if (n.onoff == 1) {
-      sample_now = n.pitch;
-      sample_player_start_task.restartDelayed(10);
+      // filter out re-triggering same note while it is playing.
+      if (!audio.isRunning() || sample_now != n.pitch) {
+        sample_now = n.pitch;
+        sample_player_start_task.restartDelayed(10);
+      }
     } else if (n.onoff == 0) {
       sample_now = n.pitch;
       sample_player_stop_task.restartDelayed(10);
@@ -358,7 +361,7 @@ void onNoteHandler(Note & n) {
 void onDataReceive(const uint8_t * mac, const uint8_t *incomingData, int32_t len) {
 
   //
-  // MONITORING_SERIAL.write(incomingData, len);
+  //MONITORING_SERIAL.write(incomingData, len);
 
   //
 #if defined(HAVE_CLIENT)
@@ -388,6 +391,7 @@ void onDataReceive(const uint8_t * mac, const uint8_t *incomingData, int32_t len
       }
     }
 
+    //
     MONITORING_SERIAL.println(note.to_string());
 
     #if defined(REPLICATE_NOTE_REQ)
@@ -397,7 +401,6 @@ void onDataReceive(const uint8_t * mac, const uint8_t *incomingData, int32_t len
       new_note_time = millis();
     }
     #endif
-
   }
 }
 
diff --git a/post.h b/post.h
index e3a969e..37a1f22 100644
--- a/post.h
+++ b/post.h
@@ -111,9 +111,8 @@ struct AddressLibrary {
     {
       AddressBook book = AddressBook("audioooo");
       //
-      // samplers don't have ID_KEY, they will just get all messages,
-      // then open the content to get **midi** 'key' in the 'note' message.
-      book.add(Address(0xAC, 0x67, 0xB2, 0x0B, 0xAE, 0x0C, "audioooo #1 (Q)")); //WROOM
+      // book.add(Address(0xAC, 0x67, 0xB2, 0x0B, 0xAE, 0x0C, "audioooo #1 (Q)")); //WROOM <- sender(the Q injector)
+      book.add(Address(0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, "BROADCAST"));   //a broadcast (ESP32 will ignore this, but ESP8266 will do process this. let's expect them to work!)
       book.add(Address(0xAC, 0x67, 0xB2, 0x0B, 0xAD, 0xB0, "audioooo #2")); //WROOM
       book.add(Address(0xA8, 0x03, 0x2A, 0x6C, 0x88, 0x78, "audioooo #3")); //WROVER
       book.add(Address(0xA8, 0x03, 0x2A, 0x6C, 0x88, 0x5C, "audioooo #4")); //WROVER
@@ -123,18 +122,18 @@ struct AddressLibrary {
       book.add(Address(0xB4, 0xE6, 0x2D, 0x37, 0x37, 0xAE, "sampler #2")); //TEENSY+ESP8266
       book.add(Address(0xEC, 0xFA, 0xBC, 0x63, 0x19, 0x84, "sampler #3")); //TEENSY+ESP8266
       book.add(Address(0x98, 0xF4, 0xAB, 0xB3, 0xB4, 0x19, "sampler #4")); //TEENSY+ESP8266
-      book.add(Address(0xDC, 0x4F, 0x22, 0x18, 0xD9, 0x1E, "sampler #5")); //TEENSY+ESP8266
-      book.add(Address(0x98, 0xF4, 0xAB, 0xB3, 0xB5, 0xC2, "sampler #6")); //TEENSY+ESP8266 (WIP)
-      book.add(Address(0xDC, 0x4F, 0x22, 0x19, 0xA5, 0x1C, "sampler #7")); //TEENSY+ESP8266
+      book.add(Address(0x98, 0xF4, 0xAB, 0xB3, 0xBA, 0x44, "sampler #5")); //TEENSY+ESP8266
+      book.add(Address(0x98, 0xF4, 0xAB, 0xB3, 0xB5, 0xC2, "sampler #6")); //TEENSY+ESP8266
+      book.add(Address(0xB4, 0xE6, 0x2D, 0x37, 0x09, 0x92, "sampler #7")); //TEENSY+ESP8266
       book.add(Address(0x68, 0xC6, 0x3A, 0xD5, 0x3E, 0xF3, "sampler #8")); //TEENSY+ESP8266
       book.add(Address(0xB4, 0xE6, 0x2D, 0x37, 0x45, 0xF5, "sampler #9")); //TEENSY+ESP8266
-      book.add(Address(0xBC, 0xDD, 0xC2, 0xB2, 0xAF, 0xD4, "sampler #A")); //TEENSY+ESP8266 // <== 15 sets
-      // B
-      book.add(Address(0xDC, 0x4F, 0x22, 0x19, 0xA0, 0xAC, "sampler #C")); //TEENSY+ESP8266 (WIP)
-
-
-
-      //
+      book.add(Address(0xBC, 0xDD, 0xC2, 0xB2, 0xAF, 0xD4, "sampler #A")); //TEENSY+ESP8266
+      book.add(Address(0x84, 0xCC, 0xA8, 0xA3, 0xA7, 0xB5, "sampler #B")); //TEENSY+ESP8266
+      book.add(Address(0xB4, 0xE6, 0x2D, 0x37, 0x11, 0xE6, "sampler #C")); //TEENSY+ESP8266
+      book.add(Address(0xB4, 0xE6, 0x2D, 0x37, 0x18, 0xAE, "sampler #D")); //TEENSY+ESP8266
+      book.add(Address(0xB4, 0xE6, 0x2D, 0x37, 0x0A, 0x07, "sampler #E")); //TEENSY+ESP8266
+      book.add(Address(0xF4, 0xCF, 0xA2, 0xED, 0xB7, 0x21, "sampler #F")); //TEENSY+ESP8266 //20 sets => FULL
+      // + we have 5 more un-registered devices. esp8266 devices will broadcast for them. hopely all get to contact w/ msg. on time.
       lib.push_back(book);
     }
   }