Clean filename if falling back to file name

mmmpd

@@ -53,7 +53,11 @@ def clear_status():
 def song_string(song_info):
 	if song_info.get("title") is None:
 		artist = song_info.get("artist") or ""
-		title = song_info.get("file") or "Unknown song"
+		title = re.sub(
+			r"\.[a-z0-9]+$",
+			"",
+			os.path.basename(song_info.get("file"))
+		) or "Unknown song"
 	else:
 		artist = song_info.get("artist") or "Unknown artist"
 		title = song_info.get("title") or "Unknown song"