======================== unified (from filesystem) ========================
                                         'bitrate'  '266.012'
                                        'duration'  '77'
                                          'artist'  'Strapping Young Lad'
                                     'text_people'  'Devin Townsend'
                                         'release'  'City'
                                           'title'  'Velvet Kevorkian'
                                           '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-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial metal', 'metal', 'thrash metal', 'death metal', 'progressive "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '125.315'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionID:\x8cÓ\x95õ\x1a\r\x91H\x99©B¬GÇ\x068'  PRIV(owner='WM/WMCollectionID', data=b'\x8c\xd3\x95\xf5\x1a\r\x91H\x99\xa9B\xacG\xc7\x068')
'PRIV:WM/WMContentID:\x7fFw\x9f\x08F\x87M\x9dÄféPIOÅ'  PRIV(owner='WM/WMContentID', data=b'\x7fFw\x9f\x08F\x87M\x9d\xc4f\xe9PIO\xc5')
'TALB' (Album/Movie/Show title)                     'City'
'TBPM' (BPM (beats per minute))                     '125.315'
'TCOM' (Composer)                                   'Devin Townsend'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Velvet Kevorkian'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Strapping Young Lad'
'TPE2' (Band/orchestra/accompaniment)               'Strapping Young Lad'
'TPUB' (Publisher)                                  'Century Media'
'TRCK' (Track number/Position in set)               '1'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['industrial metal',
 'metal',
 'thrash metal',
 'death metal',
 'progressive metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.34 dB'
'TXXX:replaygain_track_peak'                        '0.311751'

========================== row from database ==========================
                                              'id'  1396835
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Strapping Young Lad/City/01 - Strapping Young Lad - Velvet Kevorkian.mp3
                                         'working'  None
                                         'bitrate'  266
                                    'duration_sec'  77
                                           'genre'  eid-metal-trash
                                        'filesize'  2565970
                                           'mtime'  1620311630
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 01 eid metal trash
                                      'tag_artist'  Strapping Young Lad
                                     'tag_release'  City
                                       'tag_title'  Velvet Kevorkian
                                             'bpm'  125.315
                                    'search_title'  'kevorkian':2 'velvet':1
                                   'search_artist'  'lad':3 'strapping':1 'young':2
                                  'search_release'  'city':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'metal':4 'trash':5
                                    'search_combo'  '00dwimp':7 '00metal':8 'city':6C 'eid':9 'kevorkian':2A 'lad':5B 'metal':10 'strapping':3B 'trash':11 'velvet':1A 'young':4B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['industrial metal', 'metal', 'thrash metal', 'death metal', 'progressive metal']
                                        'tag_date'  1997
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311629.611611  (2021-05-06 16:33:49)
                             'size'  2565970