======================== unified (from filesystem) ========================
                                         'bitrate'  '191.98'
                                        'duration'  '247'
                                          'artist'  'Calexico'
                                     'text_people'  ''
                                         'release'  'Hot Rail'
                                           'title'  'Untitled III'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'instrumental', 'alt country', 'folk', 'rock']"
                                     'discogstags'  "['rock', 'folk rock', 'post rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '14'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted;rock-pop-indie'
                                             'bpm'  '133'
                                             'key'  '12A'
                                        'acoustid'  '6702ca7a-3030-4d74-8929-9a4a1a12ac7b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Hot Rail'
'TBPM' (BPM (beats per minute))                     '133'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-unsorted', 'rock-pop-indie']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Untitled III'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Calexico'
'TPE2' (Band/orchestra/accompaniment)               'Calexico'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'City Slang'
'TRCK' (Track number/Position in set)               '5/14'
'TSO2'                                              'Calexico'
'TSOP' (Performer sort order)                       'Calexico'
'TXXX:Acoustid Id'                                  '6702ca7a-3030-4d74-8929-9a4a1a12ac7b'
'TXXX:Artists'                                      'Calexico'
'TXXX:BARCODE'                                      '724384901615'
'TXXX:CATALOGNUMBER'                                '20153-1'
'TXXX:MusicBrainz Album Artist Id'                  '5e372a49-5672-4fb8-ba14-18c90780c4f9'
'TXXX:MusicBrainz Album Id'                         'de32e340-9ba1-4d5f-8185-93a75c356a8f'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5e372a49-5672-4fb8-ba14-18c90780c4f9'
'TXXX:MusicBrainz Release Group Id'                 '34e3cbd6-649a-39b4-b5db-e2d4c857eb3c'
'TXXX:MusicBrainz Release Track Id'                 '6756eeac-33a3-3a7b-ac5b-9e09efce6c02'
'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', 'post rock']
'TXXX:lastfmtags'                                   ['indie', 'instrumental', 'alt country', 'folk', 'rock']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.41 dB'
'TXXX:replaygain_track_peak'                        '0.901608'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1db2d46e-1a42-4c59-8737-92bacc2ca986')

========================== row from database ==========================
                                              'id'  1322886
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Calexico - Hot Rail/Calexico-Hot Rail-06-Untitled III.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  247
                                           'genre'  ifs-songwriter-indie-unsorted;rock-pop-indie
                                        'filesize'  6024489
                                           'mtime'  1637950080
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 06 ifs songwriter indie unsorted;rock pop indie
                                      'tag_artist'  Calexico
                                     'tag_release'  Hot Rail
                                       'tag_title'  Untitled III
                                             'bpm'  133.0
                                    'search_title'  'iii':2 'untitled':1
                                   'search_artist'  'calexico':1
                                  'search_release'  'hot':1 'rail':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'pop':10 'rock':7,9 'songwriter':2 'unsorted':6,8
                                    'search_combo'  '00singer':6 'calexico':3B 'eos':8 'hot':4C 'ifs':9 'iii':2A 'indie':10 'pop':15 'rail':5C 'rock':12,14 'songwriter':7 'unsorted':11,13 'untitled':1A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'instrumental', 'alt country', 'folk', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'folk rock', 'post rock']

============================== file details ==============================
                                           'mtime'  1637950080.4212978  (2021-11-26 19:08:00)
                             'size'  6024489