diff --git a/extern/NSFplay/nes_apu.cpp b/src/engine/platform/sound/nes_nsfplay/nes_apu.cpp
similarity index 100%
rename from extern/NSFplay/nes_apu.cpp
rename to src/engine/platform/sound/nes_nsfplay/nes_apu.cpp
diff --git a/extern/NSFplay/nes_apu.h b/src/engine/platform/sound/nes_nsfplay/nes_apu.h
similarity index 100%
rename from extern/NSFplay/nes_apu.h
rename to src/engine/platform/sound/nes_nsfplay/nes_apu.h
diff --git a/extern/NSFplay/nes_dmc.cpp b/src/engine/platform/sound/nes_nsfplay/nes_dmc.cpp
similarity index 100%
rename from extern/NSFplay/nes_dmc.cpp
rename to src/engine/platform/sound/nes_nsfplay/nes_dmc.cpp
diff --git a/extern/NSFplay/nes_dmc.h b/src/engine/platform/sound/nes_nsfplay/nes_dmc.h
similarity index 100%
rename from extern/NSFplay/nes_dmc.h
rename to src/engine/platform/sound/nes_nsfplay/nes_dmc.h
diff --git a/extern/NSFplay/nes_fds.cpp b/src/engine/platform/sound/nes_nsfplay/nes_fds.cpp
similarity index 100%
rename from extern/NSFplay/nes_fds.cpp
rename to src/engine/platform/sound/nes_nsfplay/nes_fds.cpp
diff --git a/extern/NSFplay/nes_fds.h b/src/engine/platform/sound/nes_nsfplay/nes_fds.h
similarity index 100%
rename from extern/NSFplay/nes_fds.h
rename to src/engine/platform/sound/nes_nsfplay/nes_fds.h
diff --git a/extern/NSFplay/nes_mmc5.cpp b/src/engine/platform/sound/nes_nsfplay/nes_mmc5.cpp
similarity index 100%
rename from extern/NSFplay/nes_mmc5.cpp
rename to src/engine/platform/sound/nes_nsfplay/nes_mmc5.cpp
diff --git a/extern/NSFplay/nes_mmc5.h b/src/engine/platform/sound/nes_nsfplay/nes_mmc5.h
similarity index 100%
rename from extern/NSFplay/nes_mmc5.h
rename to src/engine/platform/sound/nes_nsfplay/nes_mmc5.h
diff --git a/extern/NSFplay/nes_n106.cpp b/src/engine/platform/sound/nes_nsfplay/nes_n106.cpp
similarity index 100%
rename from extern/NSFplay/nes_n106.cpp
rename to src/engine/platform/sound/nes_nsfplay/nes_n106.cpp
diff --git a/extern/NSFplay/nes_n106.h b/src/engine/platform/sound/nes_nsfplay/nes_n106.h
similarity index 100%
rename from extern/NSFplay/nes_n106.h
rename to src/engine/platform/sound/nes_nsfplay/nes_n106.h
diff --git a/extern/NSFplay/nes_vrc6.cpp b/src/engine/platform/sound/nes_nsfplay/nes_vrc6.cpp
similarity index 100%
rename from extern/NSFplay/nes_vrc6.cpp
rename to src/engine/platform/sound/nes_nsfplay/nes_vrc6.cpp
diff --git a/extern/NSFplay/nes_vrc6.h b/src/engine/platform/sound/nes_nsfplay/nes_vrc6.h
similarity index 100%
rename from extern/NSFplay/nes_vrc6.h
rename to src/engine/platform/sound/nes_nsfplay/nes_vrc6.h
diff --git a/extern/NSFplay/readme.txt b/src/engine/platform/sound/nes_nsfplay/readme.txt
similarity index 100%
rename from extern/NSFplay/readme.txt
rename to src/engine/platform/sound/nes_nsfplay/readme.txt