======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '63'
                                          'artist'  'Los Rabbis'
                                     'text_people'  ''
                                         'release'  'Your Guide To The Rock Apocalypse'
                                           'title'  'The School Bus Song'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                     'discogstags'  "['punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  '37'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '114.608'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000018C4 00001EDA 000191C3 0001DB4C 0000C024 0000BFA1 00008E1C 00008E20 '
 '0000B37D 0000BA87')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008A0 00000000002ABE50 00000000 0026AE0B 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'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'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '22'
'TALB' (Album/Movie/Show title)                     'Your Guide To The Rock Apocalypse'
'TBPM' (BPM (beats per minute))                     '114.608'
'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)         'The School Bus Song'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Rabbis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '22/37'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['punk', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.72 dB'
'TXXX:replaygain_track_peak'                        '0.243711'

========================== row from database ==========================
                                              'id'  1283071
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/S.P.A.M.pler [Your Guide To The Rock Apocalypse] (2000)/22 Los Rabbis - The School Bus Song.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  63
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  2545330
                                           'mtime'  1620736010
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock S.P.A.M.pler [Your Apocalypse] (2000) 22 rock cppex experimental or noise
                                      'tag_artist'  Los Rabbis
                                     'tag_release'  Your Guide To The Rock Apocalypse
                                       'tag_title'  The School Bus Song
                                             'bpm'  114.608
                                    'search_title'  'bus':3 'school':2 'song':4 'the':1
                                   'search_artist'  'los':1 'rabbis':2
                                  'search_release'  'apocalypse':6 'guide':2 'rock':5 'the':4 'to':3 'your':1
                                     'search_rest'  '00poprockelectronic':1 '2000':14,15 '22':16 'a':6 'apocalypse':12,13 'cppex':18 'experimental':19 'indierock':3 'm':7 'noise':21 'or':20 'p':5 'pler':8 'poprock':2 'rock':17 's':4 'spampler':9 'your':10,11
                                    'search_combo'  '00poprockelectronic':13 '2000':26,27 '22':28 'a':18 'apocalypse':12C,24,25 'bus':3A 'cppex':30 'experimental':31 'guide':8C 'indierock':15 'los':5B 'm':19 'noise':33 'or':32 'p':17 'pler':20 'poprock':14 'rabbis':6B 'rock':11C,29 's':16 'school':2A 'song':4A 'spampler':21 'the':1A,10C 'to':9C 'your':7C,22,23
                                    'tag_tracknum'  22
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  ['punk', 'rock']

============================== file details ==============================
                                           'mtime'  1620736009.5165017  (2021-05-11 14:26:49)
                             'size'  2545330