======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '234'
                                          'artist'  'Ellen Allien'
                                     'text_people'  ''
                                         'release'  'Flieg Mit Ellen Allien'
                                           'title'  'France (Mars Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'techno', 'electronic', 'electro', 'minimal']"
                                     'discogstags'  "['electronic', 'house', 'techno', 'electro', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro;set-pl-sced'
                                             'bpm'  '132.357'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000062D 000004CB 000020F4'
'COMM:iTunNORM:eng'                                 (' 0000062D 000004CB 000020F4 00001503 00009C57 00009C57 00008000 00008000 '
 '00004E65 00009C57')
"PRIV:AverageLevel:B'\x00\x00"                      PRIV(owner='AverageLevel', data=b"B'\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)                     'Flieg Mit Ellen Allien'
'TBPM' (BPM (beats per minute))                     '132.357'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electro', 'set-pl-sced']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'France (Mars Mix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'THK'
'TPE2' (Band/orchestra/accompaniment)               'Ellen Allien'
'TRCK' (Track number/Position in set)               '9'
'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'                                  ['electronic', 'house', 'techno', 'electro', 'synth-pop']
'TXXX:lastfmtags'                                   ['electronica', 'techno', 'electronic', 'electro', 'minimal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.29 dB'
'TXXX:replaygain_track_peak'                        '0.342909'

========================== row from database ==========================
                                              'id'  1338378
                                            'path'  /data/Music/Bulk/00poprockelectronic/Flieg Mit Ellen Allien/09 France (Mars Mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  234
                                           'genre'  electronic-we-electro;set-pl-sced
                                        'filesize'  5649592
                                           'mtime'  1676126551
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 09 electronic we electro;set pl sced
                                      'tag_artist'  Ellen Allien
                                     'tag_release'  Flieg Mit Ellen Allien
                                       'tag_title'  France (Mars Mix)
                                             'bpm'  132.357
                                    'search_title'  'france':1 'mars':2,3 'mix':4,5
                                   'search_artist'  'allien':2 'ellen':1
                                  'search_release'  'allien':4 'ellen':3 'flieg':1 'mit':2
                                     'search_rest'  '00poprockelectronic':1 'electro':4,6 'electronic':2 'pl':8 'sced':9 'set':5,7 'we':3
                                    'search_combo'  '00poprockelectronic':12 'allien':7B,11C 'electro':15,17 'electronic':13 'ellen':6B,10C 'flieg':8C 'france':1A 'mars':2A,3A 'mit':9C 'mix':4A,5A 'pl':19 'sced':20 'set':16,18 'we':14
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']
                                      'lastfmtags'  ['electronica', 'techno', 'electronic', 'electro', 'minimal']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'house', 'techno', 'electro', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1676126551.0993137  (2023-02-11 15:42:31)
                             'size'  5649592