======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '91'
                                          'artist'  "2 Many DJ's"
                                     'text_people'  ''
                                         'release'  'Soulwax Volume 4'
                                           'title'  'Chamber Bros "Sliced Tomatoes"'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'electronica', 'mashup', 'electro', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '37'
                                      'tracktotal'  '42'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '85.525'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00001018 00000A82 00013AE7 00008455 0001591F 00015766 00008000 00008000 '
 '00000045 00000045')
'TALB' (Album/Movie/Show title)                     'Soulwax Volume 4'
'TBPM' (BPM (beats per minute))                     '85.525'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Chamber Bros "Sliced Tomatoes"'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chamber Bros'
'TPE2' (Band/orchestra/accompaniment)               "2 Many DJ's"
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '37/42'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'mashup', 'electro', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.71 dB'
'TXXX:replaygain_track_peak'                        '0.437723'

========================== row from database ==========================
                                              'id'  1496942
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/2 many dj_s - hang all dj_s 4 - 37 - chamber bros - sliced tomatoes.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  91
                                           'genre'  electronic-unsorted
                                        'filesize'  1500799
                                           'mtime'  1621696742
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] many dj_s hang all dj_s 37 chamber bros sliced tomatoes electronic unsorted
                                      'tag_artist'  2 Many DJ's
                                     'tag_release'  Soulwax Volume 4
                                       'tag_title'  Chamber Bros "Sliced Tomatoes"
                                             'bpm'  85.525
                                    'search_title'  'bros':2 'chamber':1 'sliced':3 'tomatoes':4
                                   'search_artist'  '2':1 'dj':3 'djs':5 'many':2 's':4
                                  'search_release'  '4':3 'soulwax':1 'volume':2
                                     'search_rest'  '00poprockelectronic':1 '37':12 'all':11 'bros':14 'chamber':13 'dj':8 'electronic':17 'files':5,6 'hang':10 'loose':3,4 'many':7 's':9 'sliced':15 'tomatoes':16 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 '2':5B '37':24 '4':12C 'all':23 'bros':2A,26 'chamber':1A,25 'dj':7B,20 'djs':9B 'electronic':29 'files':17,18 'hang':22 'loose':15,16 'many':6B,19 's':8B,21 'sliced':3A,27 'soulwax':10C 'tomatoes':4A,28 'unsorted':14 'volume':11C
                                    'tag_tracknum'  37
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'mashup', 'electro', 'electronic']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696742.1285412  (2021-05-22 17:19:02)
                             'size'  1500799