         }
     );
 
-    OscWiFi.subscribe(recv_port, "/wildcard/*/test", [](OscMessage& m)
+    OscWiFi.subscribe(recv_port, "/wildcard/*/test", [](const OscMessage& m)
     {
         Serial.print(m.remoteIP()); Serial.print(" ");
         Serial.print(m.remotePort()); Serial.print(" ");

    );

    OscWiFi.subscribe(recv_port, "/lambda/msg",
        [](OscMessage& m)
        {
            Serial.print(m.remoteIP()); Serial.print(" ");
            Serial.print(m.remotePort()); Serial.print(" ");

    OscWiFi.subscribe(bind_port, "/bind/values", i, f, s);

    OscWiFi.subscribe(bind_port, "/lambda/bind/args",
        [&](const int& i, const float& f, const String& s)
        {
            Serial.print("/lambda/bind/args ");
            Serial.print(i); Serial.print(" ");
