======================== unified (from filesystem) ========================
                                         'bitrate'  '251.618'
                                        'duration'  '246'
                                          'artist'  'Deathstars'
                                     'text_people'  ''
                                         'release'  'Termination Bliss'
                                           'title'  'Motherzone'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial metal', 'swedish', 'industrial', 'metal', 'gothic metal', "
 "'gothic']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-industrial'
                                             'bpm'  '138'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'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/WMCollectionGroupID:÷É\x8dû\x05K#E\x9d\x11q²\xad;\x1dA'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xf7\xc9\x8d\xfb\x05K#E\x9d\x11q\xb2\xad;\x1dA')
'PRIV:WM/WMCollectionID:÷É\x8dû\x05K#E\x9d\x11q²\xad;\x1dA'  PRIV(owner='WM/WMCollectionID', data=b'\xf7\xc9\x8d\xfb\x05K#E\x9d\x11q\xb2\xad;\x1dA')
'PRIV:WM/WMContentID:ï&[\x17\x1b*æF³rJÈ\x04úÅa'     PRIV(owner='WM/WMContentID', data=b'\xef&[\x17\x1b*\xe6F\xb3rJ\xc8\x04\xfa\xc5a')
'PRIV:http://www.cdtag.com:\x02\x00û$æ\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xfb$\xe6\x00')
'TALB' (Album/Movie/Show title)                     'Termination Bliss'
'TBPM' (BPM (beats per minute))                     '138'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-industrial'
'TDRC' (Recording time)                             '2006-01-27'
'TIT2' (Title/songname/content description)         'Motherzone'
'TKEY' (Initial key)                                '5A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Deathstars'
'TPE2' (Band/orchestra/accompaniment)               'Deathstars'
'TPUB' (Publisher)                                  'Nuclear Blast'
'TRCK' (Track number/Position in set)               '3'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME3.90.3 modified APS'
'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:Release type'                                 'Promo'
'TXXX:Rip date'                                     '2005-11-19'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['industrial metal', 'swedish', 'industrial', 'metal', 'gothic metal', 'gothic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.15 dB'
'TXXX:replaygain_track_peak'                        '0.337378'

========================== row from database ==========================
                                              'id'  1267137
                                            'path'  /data/Music/Bulk/00dwimp/Deathstars/Termination Bliss/Deathstars-Termination Bliss-Motherzone.mp3
                                         'working'  None
                                         'bitrate'  251
                                    'duration_sec'  246
                                           'genre'  eid-metal-industrial
                                        'filesize'  7764825
                                           'mtime'  1620311070
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp eid metal industrial
                                      'tag_artist'  Deathstars
                                     'tag_release'  Termination Bliss
                                       'tag_title'  Motherzone
                                             'bpm'  138.0
                                    'search_title'  'motherzone':1
                                   'search_artist'  'deathstars':1
                                  'search_release'  'bliss':2 'termination':1
                                     'search_rest'  '00dwimp':1 'eid':2 'industrial':4 'metal':3
                                    'search_combo'  '00dwimp':5 'bliss':4C 'deathstars':2B 'eid':6 'industrial':8 'metal':7 'motherzone':1A 'termination':3C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['industrial metal', 'swedish', 'industrial', 'metal', 'gothic metal', 'gothic']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311069.8495278  (2021-05-06 16:24:29)
                             'size'  7764825