======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '134'
                                          'artist'  'Valentin Clastrier'
                                     'text_people'  ''
                                         'release'  'Grands maîtres de la vielle à roue'
                                           'title'  'March anti-militaire du Gue de la pierre'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folklore imaginaire', 'jazz', 'hurdy gurdy', 'french', 'modern creative']"
                                     'discogstags'  "['folk, world, & country', 'contemporary', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '22'
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '131.2'
                                             'key'  '3B'
                                        'acoustid'  'edf598b2-4819-4bac-a048-8c1cfb38330c'
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000000C6 000000AF 000004EC 00000441 0000ABA1 0000D3D6 000029B8 00002702 '
 '0001AC92 0000C4A1')
'COMM:iTunes_CDDB_IDs:eng'                          '22+5564B3AC60259BC3C8773F5127548E36+752048'
'TALB' (Album/Movie/Show title)                     'Grands maîtres de la vielle à roue'
'TBPM' (BPM (beats per minute))                     '131.2'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDOR' (Original release time)                      '1987'
'TDRC' (Recording time)                             '1987'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         'March anti-militaire du Gue de la pierre'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Valentin Clastrier'
'TPE2' (Band/orchestra/accompaniment)               'Valentin Clastrier'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ethnic'
'TRCK' (Track number/Position in set)               '7/22'
'TSO2'                                              'Clastrier, Valentin'
'TSOP' (Performer sort order)                       'Clastrier, Valentin'
'TXXX:Acoustid Id'                                  'edf598b2-4819-4bac-a048-8c1cfb38330c'
'TXXX:CATALOGNUMBER'                                'B 6130'
'TXXX:MusicBrainz Album Artist Id'                  'ea31bed5-2f63-497b-9509-58e80825257a'
'TXXX:MusicBrainz Album Id'                         '864114f6-a8cd-4d4b-b3f8-0375db07b21d'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'ea31bed5-2f63-497b-9509-58e80825257a'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['folk, world, & country', 'contemporary', 'classical']
'TXXX:lastfmtags'                                   ['folklore imaginaire', 'jazz', 'hurdy gurdy', 'french', 'modern creative']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-12.88 dB'
'TXXX:replaygain_track_peak'                        '2.429832'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'43dd7957-b46f-47ab-85b0-9b502cad1743')

========================== row from database ==========================
                                              'id'  474908
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Valentin Vlastrier- Vielle A Roue- Hurdy-gurdy- Grands Maitres De La Vielle A Roue/07 marche anti-militaire du gué de l.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  134
                                           'genre'  loc-eur-france
                                        'filesize'  3242162
                                           'mtime'  1620533517
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Vlastrier Vielle A Roue Hurdy gurdy Maitres De La Vielle A Roue 07 marche gué loc eur france
                                      'tag_artist'  Valentin Clastrier
                                     'tag_release'  Grands maîtres de la vielle à roue
                                       'tag_title'  March anti-militaire du Gue de la pierre
                                             'bpm'  131.2
                                    'search_title'  'anti':2 'antimilitaire':4 'de':7 'du':5 'gue':6 'la':8 'march':1 'militaire':3 'pierre':9
                                   'search_artist'  'clastrier':2 'valentin':1
                                  'search_release'  'a':7,8 'de':4 'grands':1 'la':5 'maitres':2,3 'roue':9 'vielle':6
                                     'search_rest'  'a':3 'de':8 'eur':14 'france':15 'gue':11,12 'gurdy':6 'hurdy':5 'la':9 'loc':13 'maitres':7 'marche':10 'roue':4 'vielle':2 'vlastrier':1
                                    'search_combo'  'a':18C,19C,23 'anti':2A 'antimilitaire':4A 'clastrier':11B 'de':7A,15C,28 'du':5A 'eur':34 'france':35 'grands':12C 'gue':6A,31,32 'gurdy':26 'hurdy':25 'la':8A,16C,29 'loc':33 'maitres':13C,14C,27 'march':1A 'marche':30 'militaire':3A 'pierre':9A 'roue':20C,24 'valentin':10B 'vielle':17C,22 'vlastrier':21
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  3B
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['folklore imaginaire', 'jazz', 'hurdy gurdy', 'french', 'modern creative']
                                        'tag_date'  1987
                                     'discogstags'  ['folk, world, & country', 'contemporary', 'classical']

============================== file details ==============================
                                           'mtime'  1620533516.762447  (2021-05-09 06:11:56)
                             'size'  3242162