======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '322'
                                          'artist'  'Blut aus Nord'
                                     'text_people'  ''
                                         'release'  'The Work Which Transforms God'
                                           'title'  'Metamorphosis'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-1', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['avant garde', 'black metal', 'atmospheric black metal', 'ambient black "
 "metal', 'french']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '105.6'
                                             'key'  '5A'
                                        'acoustid'  'ccc45743-ba3d-4214-89a2-f8964b8c9ff9'
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Work Which Transforms God'
'TBPM' (BPM (beats per minute))                     '105.6'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Metamorphosis'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Blut aus Nord'
'TPE2' (Band/orchestra/accompaniment)               'Blut aus Nord'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Candlelight Records USA'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Blut aus Nord'
'TSOP' (Performer sort order)                       'Blut aus Nord'
'TSST' (Set subtitle)                               'The Work Which Transforms God'
'TXXX:Acoustid Id'                                  'ccc45743-ba3d-4214-89a2-f8964b8c9ff9'
'TXXX:BARCODE'                                      '803341153721'
'TXXX:CATALOGNUMBER'                                'CDL0104CD'
'TXXX:MusicBrainz Album Artist Id'                  'c21db200-1f7c-4c23-b518-cf7fac6b8e85'
'TXXX:MusicBrainz Album Id'                         '9f6126e5-7435-4860-8c41-6aaae9e713e5'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c21db200-1f7c-4c23-b518-cf7fac6b8e85'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['avant garde',
 'black metal',
 'atmospheric black metal',
 'ambient black metal',
 'french']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.370770'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4688c343-62be-4ae6-9c2f-f90679499bd1')

========================== row from database ==========================
                                              'id'  1397345
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00death/Blut aus Nord - The Work Which Transforms God/05 Metamorphosis.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  322
                                           'genre'  eid-metal-death
                                        'filesize'  13320172
                                           'mtime'  1620301659
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00death 05 eid metal death
                                      'tag_artist'  Blut aus Nord
                                     'tag_release'  The Work Which Transforms God
                                       'tag_title'  Metamorphosis
                                             'bpm'  105.6
                                    'search_title'  'metamorphosis':1
                                   'search_artist'  'aus':2 'blut':1 'nord':3
                                  'search_release'  'god':5 'the':1 'transforms':4 'which':3 'work':2
                                     'search_rest'  '00death':3 '00dwimp':1 '00metal':2 'death':6 'eid':4 'metal':5
                                    'search_combo'  '00death':12 '00dwimp':10 '00metal':11 'aus':3B 'blut':2B 'death':15 'eid':13 'god':9C 'metal':14 'metamorphosis':1A 'nord':4B 'the':5C 'transforms':8C 'which':7C 'work':6C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['avant garde', 'black metal', 'atmospheric black metal', 'ambient black metal', 'french']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301658.6803732  (2021-05-06 13:47:38)
                             'size'  13320172