diff --git a/scanner/tags.go b/scanner/tags.go
index 867fa1e..5ac7f95 100644
--- a/scanner/tags.go
+++ b/scanner/tags.go
@@ -38,9 +38,9 @@ func (t *tags) Title() string       { return t.firstTag("title") }
 func (t *tags) Artist() string      { return t.firstTag("artist") }
 func (t *tags) Album() string       { return t.firstTag("album") }
 func (t *tags) AlbumArtist() string { return t.firstTag("albumartist", "album artist") }
-func (t *tags) Year() int           { return intSep(t.firstTag("date", "year"), "-") }
-func (t *tags) TrackNumber() int    { return intSep(t.firstTag("tracknumber"), "/") }
-func (t *tags) DiscNumber() int     { return intSep(t.firstTag("discnumber"), "/") }
+func (t *tags) Year() int           { return intSep(t.firstTag("date", "year"), "-") } // eg. 2019-6-11
+func (t *tags) TrackNumber() int    { return intSep(t.firstTag("tracknumber"), "/") }  // eg. 5/12
+func (t *tags) DiscNumber() int     { return intSep(t.firstTag("discnumber"), "/") }   // eg. 1/2
 func (t *tags) Length() int         { return t.props.Length }
 func (t *tags) Bitrate() int        { return t.props.Bitrate }