======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '248'
                                          'artist'  'SIAM SHADE'
                                     'text_people'  ''
                                         'release'  'SIAM SHADE IX A-side Collection'
                                           'title'  'Glacial LOVE'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hard rock', 'jrock', 'rock', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '16'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock;loc-asia-japan'
                                             'bpm'  '116.120'
                                             'key'  '10B'
                                        'acoustid'  '982922e8-7ab8-4fa0-86ba-8bad6c852207'
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'SIAM SHADE IX A-side Collection'
'TBPM' (BPM (beats per minute))                     '116.120'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock', 'loc-asia-japan']
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'Free Mp3 Wma Converter'
'TIT2' (Title/songname/content description)         'Glacial LOVE'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'SIAM SHADE'
'TPE2' (Band/orchestra/accompaniment)               'SIAM SHADE'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/16'
'TSO2'                                              'SIAM SHADE'
'TSOP' (Performer sort order)                       'SIAM SHADE'
'TSRC' (ISRC (international standard recording code))  'JPSR09802641'
'TXXX:Acoustid Id'                                  '982922e8-7ab8-4fa0-86ba-8bad6c852207'
'TXXX:Artists'                                      'SIAM SHADE'
'TXXX:MusicBrainz Album Artist Id'                  'b58ac34f-e412-4316-8ad3-a721ce598ac3'
'TXXX:MusicBrainz Album Id'                         '960622de-6837-4952-bdb6-e18243a4aeb5'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'b58ac34f-e412-4316-8ad3-a721ce598ac3'
'TXXX:MusicBrainz Release Group Id'                 '4b79b71f-ca32-464b-98f2-30d6278590dd'
'TXXX:MusicBrainz Release Track Id'                 'b0d73d19-d704-482f-ac5a-3f5f342b0e70'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['hard rock', 'jrock', 'rock', 'japanese', 'j rock']
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.315051'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ffa5ca94-b54b-40d7-bc00-db11ac919e46')

========================== row from database ==========================
                                              'id'  379419
                                            'path'  /data/Music/Bulk/00localcharacter/SIAM SHADE/SIAM SHADE - SIAM SHADE IX A-Side Collection (320kbps) (2002.03.06)/07 - GLACIAL LOVE.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  248
                                           'genre'  loc-asia-japan-jrock;loc-asia-japan
                                        'filesize'  9960034
                                           'mtime'  1621489197
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Side (320kbps) (2002.03.06) 07 GLACIAL loc asia japan jrock;loc asia japan
                                      'tag_artist'  SIAM SHADE
                                     'tag_release'  SIAM SHADE IX A-side Collection
                                       'tag_title'  Glacial LOVE
                                             'bpm'  116.12
                                    'search_title'  'glacial':1 'love':2
                                   'search_artist'  'shade':2 'siam':1
                                  'search_release'  'a':4 'aside':6 'collection':7 'ix':3 'shade':2 'siam':1 'side':5
                                     'search_rest'  '03':5 '06':6 '2002':4 '20020306':7 '320kbps':2,3 'asia':10 'glacial':8 'japan':11 'jrock':12,14 'loc':9,13,15 'side':1
                                    'search_combo'  '03':16 '06':17 '2002':15 '20020306':18 '320kbps':13,14 'a':8C 'asia':21 'aside':10C 'collection':11C 'glacial':1A,19 'ix':7C 'japan':22 'jrock':23,25 'loc':20,24,26 'love':2A 'shade':4B,6C 'siam':3B,5C 'side':9C,12
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hard rock', 'jrock', 'rock', 'japanese', 'j rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489196.7574518  (2021-05-20 07:39:56)
                             'size'  9960034