======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '175'
                                          'artist'  'Édith Piaf'
                                     'text_people'  ''
                                         'release'  "30e anniversaire: L'Intégrale 1946-1963 (disc 4: Bravo pour le Clown)"
                                           'title'  'Au bal de la chance'
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 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['chanson francaise', 'jazz', 'chanson', 'female vocalists', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '15'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '122.0'
                                             'key'  '12A'
                                        'acoustid'  '4a1a28b0-84d9-4128-85dc-5af72420d3d8'
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======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     "30e anniversaire: L'Intégrale 1946-1963 (disc 4: Bravo pour le Clown)"
'TBPM' (BPM (beats per minute))                     '122.0'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Au bal de la chance'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Édith Piaf'
'TPE2' (Band/orchestra/accompaniment)               'Édith Piaf'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'EMI France'
'TRCK' (Track number/Position in set)               '1/15'
'TSO2'                                              'Piaf, Édith'
'TSOP' (Performer sort order)                       'Piaf, Édith'
'TSRC' (ISRC (international standard recording code))  'FRZ115200290'
'TXXX:ASIN'                                         'B00004UTKR'
'TXXX:Acoustid Id'                                  '4a1a28b0-84d9-4128-85dc-5af72420d3d8'
'TXXX:BARCODE'                                      '724382713821'
'TXXX:MusicBrainz Album Artist Id'                  '4f8ef4a3-40fa-46b5-8773-97686a8424f4'
'TXXX:MusicBrainz Album Id'                         '9a533cdd-01c5-41c5-bd7c-0a99640ad1d4'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '4f8ef4a3-40fa-46b5-8773-97686a8424f4'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['chanson francaise', 'jazz', 'chanson', 'female vocalists', 'french']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.80 dB'
'TXXX:replaygain_track_peak'                        '0.481590'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c816bcfe-ca81-42f0-a8b2-95d49f632281')

========================== row from database ==========================
                                              'id'  1214260
                                            'path'  /data/Music/Bulk/00instruments-classical/Edith Piaf/Bravo Pour Le Clown/01 - Au Bal de la Chance.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  175
                                           'genre'  loc-eur-france
                                        'filesize'  2804053
                                           'mtime'  1620533655
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical Edith Pour Le 01 Bal Chance loc eur france
                                      'tag_artist'  Édith Piaf
                                     'tag_release'  30e anniversaire: L'Intégrale 1946-1963 (disc 4: Bravo pour le Clown)
                                       'tag_title'  Au bal de la chance
                                             'bpm'  122.0
                                    'search_title'  'au':1 'bal':2 'chance':5 'de':3 'la':4
                                   'search_artist'  'edith':1,2 'piaf':3
                                  'search_release'  '1946':10 '19461963':12 '1963':11 '30e':1 '4':15,16 'anniversaire':2,3 'bravo':17 'clown':20,21 'disc':13,14 'integrale':5,8 'l':4,7 'le':19 'lintegrale':6,9 'pour':18
                                     'search_rest'  '00instruments':1 'bal':6 'chance':7 'classical':2 'edith':3 'eur':9 'france':10 'le':5 'loc':8 'pour':4
                                    'search_combo'  '00instruments':30 '1946':18C '19461963':20C '1963':19C '30e':9C '4':23C,24C 'anniversaire':10C,11C 'au':1A 'bal':2A,35 'bravo':25C 'chance':5A,36 'classical':31 'clown':28C,29C 'de':3A 'disc':21C,22C 'edith':6B,7B,32 'eur':38 'france':39 'integrale':13C,16C 'l':12C,15C 'la':4A 'le':27C,34 'lintegrale':14C,17C 'loc':37 'piaf':8B 'pour':26C,33
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['chanson francaise', 'jazz', 'chanson', 'female vocalists', 'french']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533655.4642375  (2021-05-09 06:14:15)
                             'size'  2804053