======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '127'
                                          'artist'  'Jo Basile Orchestra'
                                     'text_people'  'A. Goraguer, R. Henri'
                                         'release'  'Rendezvous a Paris'
                                           'title'  'Le Coeur Qui Jazze'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'mi-accordeon'
                                             'bpm'  '86.994'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Rendezvous a Paris'
'TBPM' (BPM (beats per minute))                     '86.994'
'TCOM' (Composer)                                   'A. Goraguer, R. Henri'
'TCON' (Content type, a.k.a. Genre)                 'mi-accordeon'
'TIT2' (Title/songname/content description)         'Le Coeur Qui Jazze'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '127186'
'TPE1' (Lead performer(s)/Soloist(s))               'France Gall'
'TPE2' (Band/orchestra/accompaniment)               'Jo Basile Orchestra'
'TPUB' (Publisher)                                  'Audio Fidelity'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+4.58 dB'
'TXXX:replaygain_track_peak'                        '0.321237'

========================== row from database ==========================
                                              'id'  935495
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/Accordeón alegre/Jo Basile & Orquesta - le coeur qui jazze.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  127
                                           'genre'  mi-accordeon
                                        'filesize'  5086544
                                           'mtime'  1620528237
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french Accordeón alegre & Orquesta coeur qui jazze mi accordeon
                                      'tag_artist'  Jo Basile Orchestra
                                     'tag_release'  Rendezvous a Paris
                                       'tag_title'  Le Coeur Qui Jazze
                                             'bpm'  86.994
                                    'search_title'  'coeur':2 'jazze':4 'le':1 'qui':3
                                   'search_artist'  'basile':2 'jo':1 'orchestra':3
                                  'search_release'  'a':2 'paris':3 'rendezvous':1
                                     'search_rest'  '00french':4 '00mid':1 'accordeon':5,6 'alegre':7 'coeur':9 'europe':3 'jazze':11 'mi':12 'north':2 'orquesta':8 'qui':10
                                    'search_combo'  '00french':14 '00mid':11 'a':9C 'accordeon':15,16 'alegre':17 'basile':6B 'coeur':2A,19 'europe':13 'jazze':4A,21 'jo':5B 'le':1A 'mi':22 'north':12 'orchestra':7B 'orquesta':18 'paris':10C 'qui':3A,20 'rendezvous':8C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528237.2764356  (2021-05-09 04:43:57)
                             'size'  5086544