======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '134'
                                          'artist'  'Valentin Clastrier'
                                     'text_people'  ''
                                         'release'  'Vielle À Roue - Hurdy-Gurdy'
                                           'title'  'Marche Anti-Militaire Du Gué De La Pierre'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'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'  'ifs-songwriter-folk'
                                             'bpm'  '131.2'
                                             'key'  '3B'
                                        'acoustid'  ''
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)                     'Vielle À Roue - Hurdy-Gurdy'
'TBPM' (BPM (beats per minute))                     '131.2'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '1987'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         'Marche Anti-Militaire Du Gué De La Pierre'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Valentin Clastrier'
'TRCK' (Track number/Position in set)               '7/22'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.84 dB'
'TXXX:replaygain_track_peak'                        '0.607458'

========================== row from database ==========================
                                              'id'  1239255
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/valentin clastrier - vielle À roue/07 marche anti-militaire du gué de l.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  134
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  3237859
                                           'mtime'  1621630308
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos valentin clastrier vielle roue 07 marche anti militaire du gué de ifs songwriter folk
                                      'tag_artist'  Valentin Clastrier
                                     'tag_release'  Vielle À Roue - Hurdy-Gurdy
                                       'tag_title'  Marche Anti-Militaire Du Gué De La Pierre
                                             'bpm'  131.2
                                    'search_title'  'anti':2 'antimilitaire':4 'de':8 'du':5 'gue':6,7 'la':9 'marche':1 'militaire':3 'pierre':10
                                   'search_artist'  'clastrier':2 'valentin':1
                                  'search_release'  'a':2,3 'gurdy':6 'hurdy':5 'hurdygurdy':7 'roue':4 'vielle':1
                                     'search_rest'  '00singer':1 'anti':9 'clastrier':5 'de':14 'du':11 'eos':3 'folk':16 'gue':12,13 'ifs':15 'marche':8 'militaire':10 'roue':7 'songwriter':2 'valentin':4 'vielle':6
                                    'search_combo'  '00singer':20 'a':14C,15C 'anti':2A,28 'antimilitaire':4A 'clastrier':12B,24 'de':8A,33 'du':5A,30 'eos':22 'folk':35 'gue':6A,7A,31,32 'gurdy':18C 'hurdy':17C 'hurdygurdy':19C 'ifs':34 'la':9A 'marche':1A,27 'militaire':3A,29 'pierre':10A 'roue':16C,26 'songwriter':21 'valentin':11B,23 'vielle':13C,25
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', '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'  1621630308.036195  (2021-05-21 22:51:48)
                             'size'  3237859