diff --git a/.gitmodules b/.gitmodules
index c92962044..128631fc8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -94,3 +94,6 @@
 [submodule "libretro/cores/dosbox-svn/upstream"]
 	path = libretro/cores/dosbox-svn/upstream
 	url = https://github.com/fr500/dosbox-svn
+[submodule "nim/xspf_view"]
+	path = nim/xspf_view
+	url = https://github.com/ehmry/xspf_view.git
diff --git a/index.xml b/index.xml
index 032c8b4a9..c5c8c3679 100644
--- a/index.xml
+++ b/index.xml
@@ -88,9 +88,13 @@
 	</index>
 
 	<index name="Experimental">
+		<index name="Semantic audio player demo">
+			<pkg path="_/pkg/blob_service" info="Blobsets package with file-system and HTTP frontends"/>
+			<pkg path="_/pkg/musicbrainz_playlist_generator" info="XSPF playlist generator"/>
+			<pkg path="_/pkg/xspf_view" info="XSPF playlist viewer"/>
+		</index>
 		<pkg path="_/pkg/4do"/>
 		<pkg path="ehmry/pkg/avplay/2019-04-24"/>
-		<pkg path="_/pkg/blob_service"/>
 		<pkg path="_/pkg/bluemsx"/>
 		<pkg path="_/pkg/cruzes" info="An unfinished Picross Libretro core"/>
 		<pkg path="_/pkg/ifm1"/>
@@ -98,7 +102,6 @@
 		<pkg path="_/pkg/ifm3"/>
 		<pkg path="_/pkg/monero_vanity"/>
 		<pkg path="_/pkg/mu"/>
-		<pkg path="_/pkg/musicbrainz_playlist_generator"/>
 		<pkg path="_/pkg/testgl"/>
 	</index>
 
diff --git a/nim/xspf_view b/nim/xspf_view
new file mode 160000
index 000000000..40ae6930e
--- /dev/null
+++ b/nim/xspf_view
@@ -0,0 +1 @@
+Subproject commit 40ae6930ebc57cae6b1161344d10c899c6bfa6bd