======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '222'
                                          'artist'  'Portradium'
                                     'text_people'  ''
                                         'release'  'Autopuzzle'
                                           'title'  'Rebonddent'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-4', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '9'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch'
                                             'bpm'  '100.5'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:p\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'p\x12\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)                     'Autopuzzle'
'TBPM' (BPM (beats per minute))                     '100.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Rebonddent'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Portradium'
'TPUB' (Publisher)                                  'Deco'
'TRCK' (Track number/Position in set)               '8/9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '4'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.56 dB'
'TXXX:replaygain_track_peak'                        '0.456063'

========================== row from database ==========================
                                              'id'  393190
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Portradium - autopuzzle (2001) [deco002]/portradium - autopuzzle - 08 - rebonddent.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  222
                                           'genre'  electronic-experimental-glitch
                                        'filesize'  7132441
                                           'mtime'  1636136171
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm autopuzzle (2001) [deco002] portradium autopuzzle 08 rebonddent electronic experimental glitch
                                      'tag_artist'  Portradium
                                     'tag_release'  Autopuzzle
                                       'tag_title'  Rebonddent
                                             'bpm'  100.5
                                    'search_title'  'rebonddent':1
                                   'search_artist'  'portradium':1
                                  'search_release'  'autopuzzle':1
                                     'search_rest'  '2001':2,3 'autopuzzle':1 'deco002':4,5 'electronic':8 'experimental':9 'glitch':10 'portradium':6 'rebonddent':7
                                    'search_combo'  '2001':5,6 'autopuzzle':3C,4 'deco002':7,8 'electronic':11 'experimental':12 'glitch':13 'portradium':2B,9 'rebonddent':1A,10
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-4', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1636136171.0133433  (2021-11-05 19:16:11)
                             'size'  7132441