diff --git a/vorbis/vorbiscommentids.h b/vorbis/vorbiscommentids.h
index 7f4d61b..55f9d54 100644
--- a/vorbis/vorbiscommentids.h
+++ b/vorbis/vorbiscommentids.h
@@ -17,10 +17,18 @@ constexpr TAG_PARSER_EXPORT std::string_view trackNumber()
 {
     return "TRACKNUMBER";
 }
+constexpr TAG_PARSER_EXPORT std::string_view trackTotal()
+{
+    return "TRACKTOTAL";
+}
 constexpr TAG_PARSER_EXPORT std::string_view diskNumber()
 {
     return "DISCNUMBER";
 }
+constexpr TAG_PARSER_EXPORT std::string_view diskTotal()
+{
+    return "DISCTOTAL";
+}
 constexpr TAG_PARSER_EXPORT std::string_view part()
 {
     return "PART";
@@ -29,6 +37,10 @@ constexpr TAG_PARSER_EXPORT std::string_view partNumber()
 {
     return "PARTNUMBER";
 }
+constexpr TAG_PARSER_EXPORT std::string_view partTotal()
+{
+    return "PARTTOTAL";
+}
 constexpr TAG_PARSER_EXPORT std::string_view title()
 {
     return "TITLE";