======================== unified (from filesystem) ========================
                                         'bitrate'  '278.909'
                                        'duration'  '199'
                                          'artist'  'If Hope Dies'
                                     'text_people'  ''
                                         'release'  'Life In Ruin'
                                           'title'  'The Ultimate Nullifier'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-4', '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'  "['metalcore', 'hardcore', 'metal', 'melodic hardcore']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '106'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:%Å+\nXi¡K\x9a2Ô0/\x8d\tß'   PRIV(owner='WM/WMCollectionID', data=b'%\xc5+\nXi\xa1K\x9a2\xd40/\x8d\t\xdf')
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'PRIV:http://www.cdtag.com:\x02\x01\x16\x1dÛ\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x01\x16\x1d\xdb\x00')
'TALB' (Album/Movie/Show title)                     'Life In Ruin'
'TBPM' (BPM (beats per minute))                     '106'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '2006-03-07'
'TIT2' (Title/songname/content description)         'The Ultimate Nullifier'
'TKEY' (Initial key)                                '4A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'If Hope Dies'
'TPE2' (Band/orchestra/accompaniment)               'If Hope Dies'
'TPUB' (Publisher)                                  'Ironclad Recordings'
'TRCK' (Track number/Position in set)               '7'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'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'                                 'Normal Release'
'TXXX:Rip date'                                     '2006-02-21'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metalcore', 'hardcore', 'metal', 'melodic hardcore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'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'                        '-1.46 dB'
'TXXX:replaygain_track_peak'                        '0.346871'

========================== row from database ==========================
                                              'id'  1398910
                                            'path'  /data/Music/Bulk/00dwimp/00metal/If Hope Dies/Life In Ruin/If Hope Dies-Life In Ruin-The Ultimate Nullifier.mp3
                                         'working'  None
                                         'bitrate'  278
                                    'duration_sec'  199
                                           'genre'  eid-metal
                                        'filesize'  6965325
                                           'mtime'  1620300795
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal
                                      'tag_artist'  If Hope Dies
                                     'tag_release'  Life In Ruin
                                       'tag_title'  The Ultimate Nullifier
                                             'bpm'  106.0
                                    'search_title'  'nullifier':3 'the':1 'ultimate':2
                                   'search_artist'  'dies':3 'hope':2 'if':1
                                  'search_release'  'in':2 'life':1 'ruin':3
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':10 '00metal':11 'dies':6B 'eid':12 'hope':5B 'if':4B 'in':8C 'life':7C 'metal':13 'nullifier':3A 'ruin':9C 'the':1A 'ultimate':2A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4A
                                           '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-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['metalcore', 'hardcore', 'metal', 'melodic hardcore']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620300795.1331425  (2021-05-06 13:33:15)
                             'size'  6965325