======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '160'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Chine / Musique Classique'
                                           'title'  'En icoutant les pins (Ting song)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '17'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-china'
                                             'bpm'  '88.130'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Chine / Musique Classique'
'TBPM' (BPM (beats per minute))                     '88.130'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-china'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'En icoutant les pins (Ting song)'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ocora Radio France'
'TRCK' (Track number/Position in set)               '7/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       '[unknown]'
'TXXX:BARCODE'                                      '794881648221'
'TXXX:CATALOGNUMBER'                                'C 582039'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'be731ccb-cd65-43e5-a0f7-dac8aa4053c0'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '125ec42a-7229-4250-afc5-e057484327fe'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.662569'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5ab87e68-c731-42ac-af20-29398b4e95d7')

========================== row from database ==========================
                                              'id'  1392310
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/CHINE - Musique Classique/07. Ting song - En écoutant les pins - Vièle à deux cordes erhu - Gan Bolin.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  160
                                           'genre'  loc-asia-china
                                        'filesize'  5251940
                                           'mtime'  1621626980
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia CHINE 07. écoutant Vièle à deux cordes erhu Gan Bolin loc asia china
                                      'tag_artist'  [unknown]
                                     'tag_release'  Chine / Musique Classique
                                       'tag_title'  En icoutant les pins (Ting song)
                                             'bpm'  88.13
                                    'search_title'  'en':1 'icoutant':2 'les':3 'pins':4 'song':7,8 'ting':5,6
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'chine':1 'classique':3 'musique':2
                                     'search_rest'  '00asia':1 '07':3,4 'a':9,10 'asia':17 'bolin':15 'china':18 'chine':2 'cordes':12 'deux':11 'ecoutant':5,6 'erhu':13 'gan':14 'loc':16 'viele':7,8
                                    'search_combo'  '00asia':14 '07':16,17 'a':22,23 'asia':30 'bolin':28 'china':31 'chine':11C,15 'classique':13C 'cordes':25 'deux':24 'ecoutant':18,19 'en':1A 'erhu':26 'gan':27 'icoutant':2A 'les':3A 'loc':29 'musique':12C 'pins':4A 'song':7A,8A 'ting':5A,6A 'unknown':9B,10B 'viele':20,21
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626980.1854591  (2021-05-21 21:56:20)
                             'size'  5251940