======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '128'
                                          'artist'  'The For Carnation'
                                     'text_people'  ''
                                         'release'  'Marshmallows'
                                           'title'  'Imyr, Marshmallow'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'instrumental', 'slowcore', 'post rock', 'experimental']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-post'
                                             'bpm'  '112.1'
                                             'key'  '2B'
                                        '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')
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'PRIV:WM/WMCollectionID:ß%\x9c²_\x8b\xa0I\x81Âk\r ?P\x89'  PRIV(owner='WM/WMCollectionID', data=b'\xdf%\x9c\xb2_\x8b\xa0I\x81\xc2k\r ?P\x89')
'PRIV:WM/WMContentID:Ô®î§\xadq\x8cN°üò)»\x11\x97ª'  PRIV(owner='WM/WMContentID', data=b'\xd4\xae\xee\xa7\xadq\x8cN\xb0\xfc\xf2)\xbb\x11\x97\xaa')
'TALB' (Album/Movie/Show title)                     'Marshmallows'
'TBPM' (BPM (beats per minute))                     '112.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-post'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Imyr, Marshmallow'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'The For Carnation'
'TPE2' (Band/orchestra/accompaniment)               'The For Carnation'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'instrumental', 'slowcore', 'post rock', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.35 dB'
'TXXX:replaygain_track_peak'                        '0.930850'

========================== row from database ==========================
                                              'id'  1354741
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marshmallows/The For Carnation - Marshmallows - 03 - Imyr, Marshmallow.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  128
                                           'genre'  rock-post
                                        'filesize'  3084948
                                           'mtime'  1678905642
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 rock post
                                      'tag_artist'  The For Carnation
                                     'tag_release'  Marshmallows
                                       'tag_title'  Imyr, Marshmallow
                                             'bpm'  112.1
                                    'search_title'  'imyr':1,2 'marshmallow':3
                                   'search_artist'  'carnation':3 'for':2 'the':1
                                  'search_release'  'marshmallows':1
                                     'search_rest'  '00poprockelectronic':1 'post':3 'rock':2
                                    'search_combo'  '00poprockelectronic':8 'carnation':6B 'for':5B 'imyr':1A,2A 'marshmallow':3A 'marshmallows':7C 'post':10 'rock':9 'the':4B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['indie', 'instrumental', 'slowcore', 'post rock', 'experimental']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1678905642.4611511  (2023-03-15 19:40:42)
                             'size'  3084948