======================== unified (from filesystem) ========================
                                         'bitrate'  '168.66'
                                        'duration'  '220'
                                          'artist'  'Paris Combo'
                                     'text_people'  ''
                                         'release'  'Attraction'
                                           'title'  'Fibre de verre'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'jazz', 'chanson francaise', 'female vocalists', 'french']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '13'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-pop'
                                             'bpm'  '132'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Summer; Dinner; Chillout'
'COMM:Songs-DB_Custom1:eng'                         '2000s'
'COMM:Songs-DB_Custom2:eng'                         'Female Vocalists; Female; Beautiful; Trumpet'
'COMM:Songs-DB_Custom3:eng'                         'French; Paris'
'COMM:Songs-DB_Occasion:eng'                        'Summer; Dinner; Chillout'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Attraction'
'TBPM' (BPM (beats per minute))                     '132'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-pop'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Fibre de verre'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Paris Combo'
'TPE2' (Band/orchestra/accompaniment)               'Paris Combo'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Polydor'
'TRCK' (Track number/Position in set)               '13/13'
'TSO2'                                              'Paris Combo'
'TSOP' (Performer sort order)                       'Paris Combo'
'TSRC' (ISRC (international standard recording code))  'FRZ020101080'
'TXXX:ASIN'                                         'B0000657YC'
'TXXX:Artists'                                      'Paris Combo'
'TXXX:BARCODE'                                      '731458939221'
'TXXX:FMPS_Rating'                                  '0.4'
'TXXX:MP3GAIN_MINMAX'                               '000,191'
'TXXX:MP3GAIN_UNDO'                                 '+004,+004,N'
'TXXX:MusicBrainz Album Artist Id'                  'b3365cc7-49b5-4a7f-b878-80487aad59c1'
'TXXX:MusicBrainz Album Id'                         'baffcb7a-0494-4841-a3ef-17cf35086128'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b3365cc7-49b5-4a7f-b878-80487aad59c1'
'TXXX:MusicBrainz Release Group Id'                 '49ac45c0-a44f-319a-af81-c8c1ba5ae4b0'
'TXXX:MusicBrainz Release Track Id'                 'bd9d3f1f-888e-3e3e-9b57-1c635ab2a33b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['world', 'jazz', 'chanson francaise', 'female vocalists', 'french']
'TXXX:mood'                                         'Relaxed/Not party/Sad/Not electronic/Not aggressive/Not happy/Acoustic'
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.539952'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a13fbbe1-93b6-44cb-8c03-9307d46fd066')

========================== row from database ==========================
                                              'id'  679321
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Paris Combo/13 - Fibre de verre.mp3
                                         'working'  None
                                         'bitrate'  168
                                    'duration_sec'  220
                                           'genre'  prerock-jb-jazz-pop
                                        'filesize'  4685934
                                           'mtime'  1620533367
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 13 prerock jb jazz pop
                                      'tag_artist'  Paris Combo
                                     'tag_release'  Attraction
                                       'tag_title'  Fibre de verre
                                             'bpm'  132.0
                                    'search_title'  'de':2 'fibre':1 'verre':3
                                   'search_artist'  'combo':2 'paris':1
                                  'search_release'  'attraction':1
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':6 'oldies':3 'pop':7 'prerock':5
                                    'search_combo'  'attraction':6C 'combo':5B 'country':10 'de':2A 'exotica':8 'fibre':1A 'jazz':7 'jb':12 'oldies':9 'paris':4B 'pop':13 'prerock':11 'verre':3A
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-2', 'q-mixbeat-1', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['world', 'jazz', 'chanson francaise', 'female vocalists', 'french']
                                        'tag_date'  2001
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620533367.477128  (2021-05-09 06:09:27)
                             'size'  4685934