======================== unified (from filesystem) ========================
                                         'bitrate'  '228.052'
                                        'duration'  '205'
                                          'artist'  'Édith Piaf'
                                     'text_people'  ''
                                         'release'  'Non je ne regrette rien'
                                           'title'  'Mon Dieu'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-4', 'q-drums-1', 'q-other-3', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chanson francaise', 'jazz', 'chanson', 'female vocalists', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '14'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '151'
                                             'key'  '11A'
                                        'acoustid'  'c532f0b2-bdc7-4b79-bad1-1662b3d4565c'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Non je ne regrette rien'
'TBPM' (BPM (beats per minute))                     '151'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Mon Dieu'
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '205333'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Édith Piaf'
'TPE2' (Band/orchestra/accompaniment)               'Édith Piaf'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'EMI'
'TRCK' (Track number/Position in set)               '11/14'
'TSO2'                                              'Piaf, Édith'
'TSOP' (Performer sort order)                       'Piaf, Édith'
'TSRC' (ISRC (international standard recording code))  'FRZ116000460'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.2 (http://www.mp3dev.org/)'
'TXXX:Acoustid Id'                                  'c532f0b2-bdc7-4b79-bad1-1662b3d4565c'
'TXXX:Artists'                                      'Édith Piaf'
'TXXX:BARCODE'                                      '724383801527'
'TXXX:CATALOGNUMBER'                                '8 38015 2'
'TXXX:MusicBrainz Album Artist Id'                  '4f8ef4a3-40fa-46b5-8773-97686a8424f4'
'TXXX:MusicBrainz Album Id'                         '7ada9992-6868-4fac-8a3c-a5e9a2460157'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '4f8ef4a3-40fa-46b5-8773-97686a8424f4'
'TXXX:MusicBrainz Release Group Id'                 '06aaa56f-36cf-33a7-9f53-22fb48e815c6'
'TXXX:MusicBrainz Release Track Id'                 '02b2d41f-7a4b-31e3-bba0-9a8097d69c50'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['chanson francaise', 'jazz', 'chanson', 'female vocalists', 'french']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.485591'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8fc6b8c2-d7a6-4f20-ba8a-51107c90f347')

========================== row from database ==========================
                                              'id'  1492049
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/Édith Piaf - Edith Piaf -  - Non Je Ne Regrette Rien [V0]/11 - Mon Dieu.mp3
                                         'working'  None
                                         'bitrate'  228
                                    'duration_sec'  205
                                           'genre'  loc-eur-france
                                        'filesize'  5859367
                                           'mtime'  1620534992
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french Edith Je Ne Regrette Rien [V0] 11 loc eur france
                                      'tag_artist'  Édith Piaf
                                     'tag_release'  Non je ne regrette rien
                                       'tag_title'  Mon Dieu
                                             'bpm'  151.0
                                    'search_title'  'dieu':2 'mon':1
                                   'search_artist'  'edith':1,2 'piaf':3
                                  'search_release'  'je':2 'ne':3 'non':1 'regrette':4 'rien':5
                                     'search_rest'  '00french':4 '00mid':1 'edith':5 'eur':13 'europe':3 'france':14 'je':6 'loc':12 'ne':7 'north':2 'regrette':8 'rien':9 'v0':10,11
                                    'search_combo'  '00french':14 '00mid':11 'dieu':2A 'edith':3B,4B,15 'eur':23 'europe':13 'france':24 'je':7C,16 'loc':22 'mon':1A 'ne':8C,17 'non':6C 'north':12 'piaf':5B 'regrette':9C,18 'rien':10C,19 'v0':20,21
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['chanson francaise', 'jazz', 'chanson', 'female vocalists', 'french']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620534992.4196205  (2021-05-09 06:36:32)
                             'size'  5859367