======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '208'
                                          'artist'  'Beckett And Friends'
                                     'text_people'  ''
                                         'release'  'Your Guide To The Rock Apocalypse'
                                           'title'  'Wygbat'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-LOCALNESS-1', "
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 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                     'discogstags'  "['rock', 'hip hop', 'avantgarde', 'trap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '37'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '120.042'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000002A0 0000030D 00002288 00001C2B 0000FD43 00031787 000086ED 000088ED '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000780 00000000008C49F0 00000000 007F2706 00000000 '
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'COMM:iTunes_CDDB_1:eng'                            '1511FD25+345530+37+150+15786+24244+30128+33806+43823+52062+57847+68077+77180+84787+91713+102517+114994+119952+135658+144567+158758+160478+171487+181995+186610+191374+196960+199869+205345+207326+218170+224833+232766+244381+256026+261540+263921+300695+316942+330502'
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'TBPM' (BPM (beats per minute))                     '120.042'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'iTunes 9.0'
'TIT2' (Title/songname/content description)         'Wygbat'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Beckett And Friends'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1/37'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'hip hop', 'avantgarde', 'trap']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
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'TXXX:replaygain_track_peak'                        '0.755130'

========================== row from database ==========================
                                              'id'  1347266
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/S.P.A.M.pler [Your Guide To The Rock Apocalypse] (2000)/01 Beckett And Friends - Wygbat.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  208
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  8343469
                                           'mtime'  1620736003
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock S.P.A.M.pler [Your Apocalypse] (2000) 01 rock cppex experimental or noise
                                      'tag_artist'  Beckett And Friends
                                     'tag_release'  Your Guide To The Rock Apocalypse
                                       'tag_title'  Wygbat
                                             'bpm'  120.042
                                    'search_title'  'wygbat':1
                                   'search_artist'  'and':2 'beckett':1 'friends':3
                                  'search_release'  'apocalypse':6 'guide':2 'rock':5 'the':4 'to':3 'your':1
                                     'search_rest'  '00poprockelectronic':1 '2000':14,15 'a':6 'apocalypse':12,13 'cppex':17 'experimental':18 'indierock':3 'm':7 'noise':20 'or':19 'p':5 'pler':8 'poprock':2 'rock':16 's':4 'spampler':9 'your':10,11
                                    'search_combo'  '00poprockelectronic':11 '2000':24,25 'a':16 'and':3B 'apocalypse':10C,22,23 'beckett':2B 'cppex':27 'experimental':28 'friends':4B 'guide':6C 'indierock':13 'm':17 'noise':30 'or':29 'p':15 'pler':18 'poprock':12 'rock':9C,26 's':14 'spampler':19 'the':8C 'to':7C 'wygbat':1A 'your':5C,20,21
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'hip hop', 'avantgarde', 'trap']

============================== file details ==============================
                                           'mtime'  1620736003.1066432  (2021-05-11 14:26:43)
                             'size'  8343469