======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '148'
                                          'artist'  "Basile and Ze Pech'Nouz Groupe "
                                     'text_people'  ''
                                         'release'  'Ma Charette Est Malade, Mon Cheval Est Casse EP'
                                           'title'  'Ma Charette Est Malade, Mon Cheval Est Cassé'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '84.987'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00001C3D 00001C3D 00009A82 00009A82 0001EB87 0001EB87 000082CD 000082CC '
 '0000B13E 0000B13E')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000870 0000000000642C00 00000000 00489D64 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Ma Charette Est Malade, Mon Cheval Est Casse EP'
'TBPM' (BPM (beats per minute))                     '84.987'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TENC' (Encoded by)                                 'iTunes 10.2'
'TIT2' (Title/songname/content description)         'Ma Charette Est Malade, Mon Cheval Est Cassé'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               "Basile and Ze Pech'Nouz Groupe "
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:other'                                        'Ma Charette Est Malade, Mon Cheval Est Cassé'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.361603'

========================== row from database ==========================
                                              'id'  1492129
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/Ma Charette Est Malade, Mon Cheval Est Casse EP/1. Ma Charette Est Malade, Mon Cheval Est Cassé.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  148
                                           'genre'  loc-eur-france
                                        'filesize'  4788020
                                           'mtime'  1620534622
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french 1. loc eur france
                                      'tag_artist'  Basile and Ze Pech'Nouz Groupe 
                                     'tag_release'  Ma Charette Est Malade, Mon Cheval Est Casse EP
                                       'tag_title'  Ma Charette Est Malade, Mon Cheval Est Cassé
                                             'bpm'  84.987
                                    'search_title'  'casse':8,9 'charette':2 'cheval':7 'est':3 'ma':1 'malade':4,5 'mon':6
                                   'search_artist'  'and':2 'basile':1 'groupe':7 'nouz':5 'pech':4 'pechnouz':6 'ze':3
                                  'search_release'  'casse':8 'charette':2 'cheval':7 'ep':9 'est':3 'ma':1 'malade':4,5 'mon':6
                                     'search_rest'  '00french':4 '00mid':1 '1':5,6 'eur':8 'europe':3 'france':9 'loc':7 'north':2
                                    'search_combo'  '00french':29 '00mid':26 '1':30,31 'and':11B 'basile':10B 'casse':8A,9A,24C 'charette':2A,18C 'cheval':7A,23C 'ep':25C 'est':3A,19C 'eur':33 'europe':28 'france':34 'groupe':16B 'loc':32 'ma':1A,17C 'malade':4A,5A,20C,21C 'mon':6A,22C 'north':27 'nouz':14B 'pech':13B 'pechnouz':15B 'ze':12B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620534622.010504  (2021-05-09 06:30:22)
                             'size'  4788020