======================== unified (from filesystem) ========================
                                         'bitrate'  '152.466'
                                        'duration'  '203'
                                          'artist'  'Calexico'
                                     'text_people'  'Dominique Ane, Gaetan Chataigner, Sacha Toorop, Pierre Bondu'
                                         'release'  'Convict Pool'
                                           'title'  'Si Tu Disais'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'indie', 'fip', 'polyaztone']"
                                     'discogstags'  "['rock', 'southern rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '6'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted;rock-pop-indie'
                                             'bpm'  '110.062'
                                             'key'  '10B'
                                        'acoustid'  '204d2794-64b7-4986-a955-b2b17f902cba'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Convict Pool'
'TBPM' (BPM (beats per minute))                     '110.062'
'TCOM' (Composer)                                   'Dominique Ane, Gaetan Chataigner, Sacha Toorop, Pierre Bondu'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-unsorted', 'rock-pop-indie']
'TDRC' (Recording time)                             '2004-04-06'
'TIT2' (Title/songname/content description)         'Si Tu Disais'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Calexico'
'TPE2' (Band/orchestra/accompaniment)               'Calexico'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/6'
'TSO2'                                              'Calexico'
'TSOP' (Performer sort order)                       'Calexico'
'TXXX:ASIN'                                         'B0001LYETG'
'TXXX:Acoustid Id'                                  '204d2794-64b7-4986-a955-b2b17f902cba'
'TXXX:BARCODE'                                      '036172009022'
'TXXX:CATALOGNUMBER'                                'QS90CD'
'TXXX:LABEL'                                        'Quarterstick Records'
'TXXX:MEDIA'                                        'CD'
'TXXX:MusicBrainz Album Artist Id'                  '5e372a49-5672-4fb8-ba14-18c90780c4f9'
'TXXX:MusicBrainz Album Id'                         '8edf887c-f8ee-4663-af02-0a5117acc808'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '5e372a49-5672-4fb8-ba14-18c90780c4f9'
'TXXX:MusicBrainz Track Id'                         '57f80ef6-6d37-4ef3-9554-63775c0f6c76'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'southern rock']
'TXXX:iTunes_CDDB_IDs'                              '6+69ACE09E5FCCEAD732312E9836D6D263+4596913'
'TXXX:lastfmtags'                                   ['instrumental', 'indie', 'fip', 'polyaztone']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.528726'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1352148
                                            'path'  /data/Music/Bulk/00poprockelectronic/Calexico/Convict Pool/03 Si Tu Disais.mp3
                                         'working'  None
                                         'bitrate'  152
                                    'duration_sec'  203
                                           'genre'  ifs-songwriter-indie-unsorted;rock-pop-indie
                                        'filesize'  3875527
                                           'mtime'  1638554341
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 ifs songwriter indie unsorted;rock pop indie
                                      'tag_artist'  Calexico
                                     'tag_release'  Convict Pool
                                       'tag_title'  Si Tu Disais
                                             'bpm'  110.062
                                    'search_title'  'disais':3 'si':1 'tu':2
                                   'search_artist'  'calexico':1
                                  'search_release'  'convict':1 'pool':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'indie':4 'pop':9 'rock':6,8 'songwriter':3 'unsorted':5,7
                                    'search_combo'  '00poprockelectronic':7 'calexico':4B 'convict':5C 'disais':3A 'ifs':8 'indie':10 'pool':6C 'pop':15 'rock':12,14 'si':1A 'songwriter':9 'tu':2A 'unsorted':11,13
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'indie', 'fip', 'polyaztone']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'southern rock']

============================== file details ==============================
                                           'mtime'  1638554341.0105295  (2021-12-03 18:59:01)
                             'size'  3875527