diff --git a/core/main.cpp b/core/main.cpp
index 350bed0..16ff875 100644
--- a/core/main.cpp
+++ b/core/main.cpp
@@ -620,9 +620,13 @@ void retro_get_system_info(struct retro_system_info *info)
 {
   memset(info, 0, sizeof(*info));
   info->library_name     = "ep128emu";
-  info->library_version  = "v1.2.6";
+  info->library_version  = "v1.2.7";
   info->need_fullpath    = true;
+#ifndef EXCLUDE_SOUND_LIBS
+  info->valid_extensions = "img|dsk|tap|dtf|com|trn|128|bas|cas|cdt|tzx|wav|tvcwav|mp3|.";
+#else
   info->valid_extensions = "img|dsk|tap|dtf|com|trn|128|bas|cas|cdt|tzx|wav|tvcwav|.";
+#endif // EXCLUDE_SOUND_LIBS
 }
 
 void retro_get_system_av_info(struct retro_system_av_info *info)
@@ -918,6 +922,8 @@ bool retro_load_game(const struct retro_game_info *info)
     static const char *epComFileHeader = "\x00\x05";
     static const char *epComFileHeader2 = "\x00\x06";
     static const char *epBasFileHeader = "\x00\x04";
+    static const char *mp3FileHeader1 = "\x49\x44\x33";
+    static const char *mp3FileHeader2 = "\xff\xfb";
     // Startup sequence may contain:
     // - chars on the keyboard (a-z, 0-9, few symbols like :
     // - 0xff as wait character
@@ -975,6 +981,7 @@ bool retro_load_game(const struct retro_game_info *info)
     // All .tap files will fall back to be interpreted as EP128_TAPE
     else if(header_match(epteFileMagic,tmpBufOffset128,32) || header_match(ep128emuTapFileHeader,tmpBuf,8) ||
             header_match(waveFileMagic,tmpBuf,4) || header_match(TAPirFileMagic,tmpBufOffset512,3) ||
+            header_match(mp3FileHeader1,tmpBuf,3) || header_match(mp3FileHeader2,tmpBufOffset512,2) ||
             contentExt == tapeExt )
     {
       detectedMachineDetailedType = Ep128Emu::VM_config.at("EP128_TAPE");
diff --git a/ep128emu_core_libretro.info b/ep128emu_core_libretro.info
index 0108ef9..ca9fcae 100644
--- a/ep128emu_core_libretro.info
+++ b/ep128emu_core_libretro.info
@@ -14,7 +14,7 @@ authors = "Istvan Varga|Zoltan Balogh"
 corename = "ep128emu-core"
 
 # List of extensions the core supports:
-supported_extensions = "img|dsk|tap|dtf|com|trn|128|bas|cas|cdt|tzx|wav|tvcwav|."
+supported_extensions = "img|dsk|tap|dtf|com|trn|128|bas|cas|cdt|tzx|wav|tvcwav|mp3|."
 
 # License of the cores source code:
 license = "GPLv2"
@@ -23,7 +23,7 @@ license = "GPLv2"
 permissions = ""
 
 # Version of the core:
-display_version = "v1.2.6"
+display_version = "v1.2.7"
 
 # Hardware Information - Information about the hardware the core supports (when applicable)
 # Name of the manufacturer who produced the emulated system: