======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '210'
                                          'artist'  'Chimaira'
                                     'text_people'  'Mark Hunter/Rob Arnold'
                                         'release'  'The Impossibility of Reason'
                                           'title'  'Crawl'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metalcore', 'hardcore', 'thrash metal', 'metal', 'groove metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '120'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'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/WMCollectionGroupID:\x82\x7f{î\x15e|F\x8eâß¹\x8e@ÁÏ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x82\x7f{\xee\x15e|F\x8e\xe2\xdf\xb9\x8e@\xc1\xcf')
'PRIV:WM/WMCollectionID:\x82\x7f{î\x15e|F\x8eâß¹\x8e@ÁÏ'  PRIV(owner='WM/WMCollectionID', data=b'\x82\x7f{\xee\x15e|F\x8e\xe2\xdf\xb9\x8e@\xc1\xcf')
'PRIV:WM/WMContentID:jÃ\x01ÁònØJ\x9b´\x1coÄ+\x86¡'  PRIV(owner='WM/WMContentID', data=b'j\xc3\x01\xc1\xf2n\xd8J\x9b\xb4\x1co\xc4+\x86\xa1')
'TALB' (Album/Movie/Show title)                     'The Impossibility of Reason'
'TBPM' (BPM (beats per minute))                     '120'
'TCOM' (Composer)                                   'Mark Hunter/Rob Arnold'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Crawl'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chimaira'
'TPE2' (Band/orchestra/accompaniment)               'Chimaira'
'TPUB' (Publisher)                                  'Roadrunner'
'TRCK' (Track number/Position in set)               '8'
'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'                                   ['metalcore', 'hardcore', 'thrash metal', 'metal', 'groove metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'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'                        '-1.34 dB'
'TXXX:replaygain_track_peak'                        '0.415816'

========================== row from database ==========================
                                              'id'  1267824
                                            'path'  /data/Music/Bulk/00dwimp/Chimaira/The Impossibility of Reason/Chimaira-The Impossibility of Reason-Crawl.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  210
                                           'genre'  eid-metal-trash
                                        'filesize'  3375902
                                           'mtime'  1620311645
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp eid metal trash
                                      'tag_artist'  Chimaira
                                     'tag_release'  The Impossibility of Reason
                                       'tag_title'  Crawl
                                             'bpm'  120.0
                                    'search_title'  'crawl':1
                                   'search_artist'  'chimaira':1
                                  'search_release'  'impossibility':2 'of':3 'reason':4 'the':1
                                     'search_rest'  '00dwimp':1 'eid':2 'metal':3 'trash':4
                                    'search_combo'  '00dwimp':7 'chimaira':2B 'crawl':1A 'eid':8 'impossibility':4C 'metal':9 'of':5C 'reason':6C 'the':3C 'trash':10
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             '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-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['metalcore', 'hardcore', 'thrash metal', 'metal', 'groove metal']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311645.2993257  (2021-05-06 16:34:05)
                             'size'  3375902