======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '313'
                                          'artist'  'Strapping Young Lad'
                                     'text_people'  ''
                                         'release'  'Alien'
                                           'title'  'Shine'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', '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'  '5'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '89.572'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:1!\x00\x00'                      PRIV(owner='AverageLevel', data=b'1!\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'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')
'TALB' (Album/Movie/Show title)                     'Alien'
'TBPM' (BPM (beats per minute))                     '89.572'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Shine'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Strapping Young Lad'
'TRCK' (Track number/Position in set)               '5'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'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'                        '-2.03 dB'
'TXXX:replaygain_track_peak'                        '0.482029'

========================== row from database ==========================
                                              'id'  1400629
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Strapping Young Lad/Alien/05 - shine.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  313
                                           'genre'  eid-metal-trash
                                        'filesize'  7530322
                                           'mtime'  1620311629
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 05 shine eid metal trash
                                      'tag_artist'  Strapping Young Lad
                                     'tag_release'  Alien
                                       'tag_title'  Shine
                                             'bpm'  89.572
                                    'search_title'  'shine':1
                                   'search_artist'  'lad':3 'strapping':1 'young':2
                                  'search_release'  'alien':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':4 'metal':5 'shine':3 'trash':6
                                    'search_combo'  '00dwimp':6 '00metal':7 'alien':5C 'eid':9 'lad':4B 'metal':10 'shine':1A,8 'strapping':2B 'trash':11 'young':3B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           '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-3']
                                      'lastfmtags'  ['industrial metal', 'metal', 'thrash metal', 'death metal', 'progressive metal']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311629.032267  (2021-05-06 16:33:49)
                             'size'  7530322