======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '284'
                                          'artist'  'Indigo Girls'
                                     'text_people'  ''
                                         'release'  'Indigo Girls'
                                           'title'  'Center Stage'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
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                                      'lastfmtags'  "['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  ("['rock', 'folk, world, & country', 'folk rock', 'acoustic', 'alternative "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '10'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '100.2'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000640 00000640 00000F9F 00000F9F 00000000 00000000 00007801 00007801 '
 '00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Indigo Girls'
'TBPM' (BPM (beats per minute))                     '100.2'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '1989-02-28'
'TDRC' (Recording time)                             '1989-02-28'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF8: 3>, people=[['arranger', '']])
'TIT2' (Title/songname/content description)         'Center Stage'
'TKEY' (Initial key)                                '10B'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Indigo Girls'
'TPE2' (Band/orchestra/accompaniment)               'Indigo Girls'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'BMG Direct Marketing, Inc.'
'TRCK' (Track number/Position in set)               '9/10'
'TSOP' (Performer sort order)                       'Indigo Girls'
'TXXX:ALBUMARTISTSORT'                              'Indigo Girls'
'TXXX:Album Artist Credit'                          'Indigo Girls'
'TXXX:Artist Credit'                                'Indigo Girls'
'TXXX:CATALOGNUMBER'                                'D122168'
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'TXXX:MusicBrainz Album Id'                         'c2fd0db3-746b-4a1a-adb6-5dc57260aa87'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'Official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '00c49f40-d715-4b79-b223-432048602cce'
'TXXX:MusicBrainz Release Group Id'                 'e2049ab8-1fb1-3ae7-a7da-de61a74b9625'
'TXXX:MusicBrainz Release Track Id'                 '40e8efb3-c4a3-4318-a049-8bd1269a6f36'
'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', 'folk, world, & country', 'folk rock', 'acoustic', 'alternative rock']
'TXXX:lastfmtags'                                   ['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.88 dB'
'TXXX:replaygain_track_peak'                        '0.662955'
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'USLT::XXX'                                         ''

========================== row from database ==========================
                                              'id'  1332644
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Indigo Girls/Indigo Girls - 09 - Center Stage.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  284
                                           'genre'  ifs-songwriter
                                        'filesize'  11424897
                                           'mtime'  1637330791
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 09 ifs songwriter
                                      'tag_artist'  Indigo Girls
                                     'tag_release'  Indigo Girls
                                       'tag_title'  Center Stage
                                             'bpm'  100.2
                                    'search_title'  'center':1 'stage':2
                                   'search_artist'  'girls':2 'indigo':1
                                  'search_release'  'girls':2 'indigo':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':7 'center':1A 'eos':9 'girls':4B,6C 'ifs':10 'indigo':3B,5C 'songwriter':8 'stage':2A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1989
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk rock', 'acoustic', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1637330791.0940363  (2021-11-19 15:06:31)
                             'size'  11424897