======================== unified (from filesystem) ========================
                                         'bitrate'  '250.01'
                                        'duration'  '362'
                                          'artist'  'Isis'
                                     'text_people'  ''
                                         'release'  'The Red Sea'
                                           'title'  'Smiles and Handshakes'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '7'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-metal-sludge or grind'
                                             'bpm'  '132.9'
                                             'key'  '5A'
                                        'acoustid'  'c439a9c3-62e1-4fda-8363-d105e1e233a9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000A4D 0000090D 0000468F 00002874 000538BC 0002906D 0000678C 000074E4 '
 '0000FA00 0002AD4E')
'COMM:iTunes_CDDB_IDs:eng'                          '7+1F5DE1C8C648A6DF6BB832547FCD894B+263996'
'TALB' (Album/Movie/Show title)                     'The Red Sea'
'TBPM' (BPM (beats per minute))                     '132.9'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-sludge or grind'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIT2' (Title/songname/content description)         'Smiles and Handshakes'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Isis'
'TPE2' (Band/orchestra/accompaniment)               'Isis'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Second Nature'
'TRCK' (Track number/Position in set)               '4/7'
'TSO2'                                              'Isis'
'TSOP' (Performer sort order)                       'Isis'
'TXXX:ASIN'                                         'B000065T0Z'
'TXXX:Acoustid Id'                                  'c439a9c3-62e1-4fda-8363-d105e1e233a9'
'TXXX:BARCODE'                                      '822575001424'
'TXXX:CATALOGNUMBER'                                'SN014'
'TXXX:MusicBrainz Album Artist Id'                  '5e521e8c-0ab2-44c4-8fd8-14d8d3321265'
'TXXX:MusicBrainz Album Id'                         'bfab7e90-c67b-433b-a365-a5c2fe4e31af'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '5e521e8c-0ab2-44c4-8fd8-14d8d3321265'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'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'                        '-2.00 dB'
'TXXX:replaygain_track_peak'                        '0.536512'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'66377ac8-4705-4672-9e00-c3b3f6534a56')

========================== row from database ==========================
                                              'id'  1391565
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Isis/The Red Sea/04 smiles and handshakes.mp3
                                         'working'  None
                                         'bitrate'  250
                                    'duration_sec'  362
                                           'genre'  eid-metal-sludge or grind
                                        'filesize'  11355692
                                           'mtime'  1620310861
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 04 smiles handshakes eid metal sludge or grind
                                      'tag_artist'  Isis
                                     'tag_release'  The Red Sea
                                       'tag_title'  Smiles and Handshakes
                                             'bpm'  132.9
                                    'search_title'  'and':2 'handshakes':3 'smiles':1
                                   'search_artist'  'isis':1
                                  'search_release'  'red':2 'sea':3 'the':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':5 'grind':9 'handshakes':4 'metal':6 'or':8 'sludge':7 'smiles':3
                                    'search_combo'  '00dwimp':8 '00metal':9 'and':2A 'eid':12 'grind':16 'handshakes':3A,11 'isis':4B 'metal':13 'or':15 'red':6C 'sea':7C 'sludge':14 'smiles':1A,10 'the':5C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620310861.445  (2021-05-06 16:21:01)
                             'size'  11355692