======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '282'
                                          'artist'  'The Mountain Goats'
                                     'text_people'  'John Darnielle'
                                         'release'  'Tallahassee'
                                           'title'  'Tallahassee'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']"
                                     'discogstags'  "['rock', 'folk rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '103.010'
                                             'key'  '10B'
                                        'acoustid'  'a0521590-e356-4a17-be8b-a18189f7afd3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000010E 00000137 0000459F 000060F4 0002B305 0002B305 00007F8B 000081F3 '
 '0001BE1F 0002B2EB')
'COMM:iTunPGAP:eng'                                 '0/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000780 0000000000BE3EF0 00000000 00563B83 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '14+98838832BB1B4FA9470AF0BF7E8BC427+2451083'
'TALB' (Album/Movie/Show title)                     'Tallahassee'
'TBPM' (BPM (beats per minute))                     '103.010'
'TCOM' (Composer)                                   'John Darnielle'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-11-05'
'TENC' (Encoded by)                                 'iTunes 11.1.3.8'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', '吀漀渀礀\u2000䐀漀漀最愀渀'], ['洀椀砀', '吀漀渀礀\u2000䐀漀漀最愀渀']])
'TIT2' (Title/songname/content description)         'Tallahassee'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mountain Goats'
'TPE2' (Band/orchestra/accompaniment)               'The Mountain Goats'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '4AD'
'TRCK' (Track number/Position in set)               '1/14'
'TSO2'                                              'Mountain Goats, The'
'TSOP' (Performer sort order)                       'Mountain Goats, The'
'TXXX:ASIN'                                         'B00006YXH6'
'TXXX:Acoustid Id'                                  'a0521590-e356-4a17-be8b-a18189f7afd3'
'TXXX:BARCODE'                                      '652637211320'
'TXXX:CATALOGNUMBER'                                'CAD 2215 CD'
'TXXX:MusicBrainz Album Artist Id'                  '9639cd52-c351-4a17-9797-58880e95a7ef'
'TXXX:MusicBrainz Album Id'                         'd2a314ab-986e-40af-8cab-04806ab68ce9'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9639cd52-c351-4a17-9797-58880e95a7ef'
'TXXX:MusicBrainz Release Group Id'                 'a093d8b4-acde-33a4-bc8c-19a710b667a0'
'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 rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.94 dB'
'TXXX:replaygain_track_peak'                        '0.858365'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'bce72a88-1146-4973-8125-a973bf235afe')

========================== row from database ==========================
                                              'id'  1371703
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Mountain Goats - Tallahassee/01 Tallahassee.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  282
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  5795216
                                           'mtime'  1636400427
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 01 ifs songwriter indie
                                      'tag_artist'  The Mountain Goats
                                     'tag_release'  Tallahassee
                                       'tag_title'  Tallahassee
                                             'bpm'  103.01
                                    'search_title'  'tallahassee':1
                                   'search_artist'  'goats':3 'mountain':2 'the':1
                                  'search_release'  'tallahassee':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'songwriter':2
                                    'search_combo'  '00singer':6 'eos':8 'goats':4B 'ifs':9 'indie':10 'mountain':3B 'songwriter':7 'tallahassee':1A,5C 'the':2B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'folk rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636400427.1011002  (2021-11-08 20:40:27)
                             'size'  5795216