======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '240'
                                          'artist'  'Blur'
                                     'text_people'  'Alex James/Damon Albarn/Dave Rowntree/Graham Coxon'
                                         'release'  'The Best of Blur Disc 1'
                                           'title'  'The Universal'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'british', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '145.685'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:\x8c~\x00\x00'                      PRIV(owner='PeakValue', data=b'\x8c~\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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x000\x007\x000\x003\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x002\x004\x000\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x002\x009\x006\x002\x007\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x000\x007\x000\x003\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x002\x004\x000\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x002\x009\x006\x002\x007\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Í\x1a^?\x9b\x16HH\x92\x07º×\x93ó0\x98'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xcd\x1a^?\x9b\x16HH\x92\x07\xba\xd7\x93\xf30\x98')
'PRIV:WM/WMCollectionID:Í\x1a^?\x9b\x16HH\x92\x07º×\x93ó0\x98'  PRIV(owner='WM/WMCollectionID', data=b'\xcd\x1a^?\x9b\x16HH\x92\x07\xba\xd7\x93\xf30\x98')
'PRIV:WM/WMContentID:ʲÝ\x14\x97\x0f²D\xad\x19²\x0eRK\x1bP'  PRIV(owner='WM/WMContentID', data=b'\xca\xb2\xdd\x14\x97\x0f\xb2D\xad\x19\xb2\x0eRK\x1bP')
'TALB' (Album/Movie/Show title)                     'The Best of Blur Disc 1'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCOM' (Composer)                                   'Alex James/Damon Albarn/Dave Rowntree/Graham Coxon'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'The Universal'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '240306'
'TPE1' (Lead performer(s)/Soloist(s))               'Blur'
'TPE2' (Band/orchestra/accompaniment)               'Blur'
'TPUB' (Publisher)                                  'Food/Virgin'
'TRCK' (Track number/Position in set)               '4'
'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:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'british', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.439946'

========================== row from database ==========================
                                              'id'  1322695
                                            'path'  /data/Music/Bulk/00poprockelectronic/Blur/The Best of Blur Disc 1/04 The Universal.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  240
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  5770620
                                           'mtime'  1637330383
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 ifs songwriter indie rock
                                      'tag_artist'  Blur
                                     'tag_release'  The Best of Blur Disc 1
                                       'tag_title'  The Universal
                                             'bpm'  145.685
                                    'search_title'  'the':1 'universal':2
                                   'search_artist'  'blur':1
                                  'search_release'  '1':6 'best':2 'blur':4 'disc':5 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'indie':4 'rock':5 'songwriter':3
                                    'search_combo'  '00poprockelectronic':10 '1':9C 'best':5C 'blur':3B,7C 'disc':8C 'ifs':11 'indie':13 'of':6C 'rock':14 'songwriter':12 'the':1A,4C 'universal':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'british', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330382.5626338  (2021-11-19 14:59:42)
                             'size'  5770620