======================== unified (from filesystem) ========================
                                         'bitrate'  '161.452'
                                        'duration'  '24'
                                          'artist'  'DJ Shadow'
                                     'text_people'  ''
                                         'release'  'Endtroducing.....'
                                           'title'  '[untitled]'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
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 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']"
                                     'discogstags'  ("['electronic', 'hip hop', 'instrumental', 'downtempo', 'cut-up/dj', 'trip "
 "hop']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '13'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '90.654'
                                             'key'  '6B'
                                        'acoustid'  '6380586d-a5fa-45de-8b1b-cf20275feeab'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Endtroducing.....'
'TBPM' (BPM (beats per minute))                     '90.654'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-11-19'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'DJ Shadow'], ['engineer', 'Dan the Automator'], ['engineer', 'DJ Shadow'], ['mix', 'DJ Shadow']])
'TIT2' (Title/songname/content description)         '[untitled]'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'DJ Shadow'
'TPE2' (Band/orchestra/accompaniment)               'DJ Shadow'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'FFRR/Mo Wax'
'TRCK' (Track number/Position in set)               '6/13'
'TSO2'                                              'Shadow, DJ'
'TSOP' (Performer sort order)                       'Shadow, DJ'
'TSRC' (ISRC (international standard recording code))  'GBAQH9600084'
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'TXXX:BARCODE'                                      '769712412326'
'TXXX:CATALOGNUMBER'                                '697 124 123-2/697 124 123-2'
'TXXX:MusicBrainz Album Artist Id'                  'efa2c11a-1a35-4b60-bc1b-66d37de88511'
'TXXX:MusicBrainz Album Id'                         '5992a7fd-6ade-3895-827a-a7dfdf6ebb51'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'efa2c11a-1a35-4b60-bc1b-66d37de88511'
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'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'instrumental', 'downtempo', 'cut-up/dj', 'trip hop']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.32 dB'
'TXXX:replaygain_track_peak'                        '0.554133'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8f199b55-b897-4b94-81e8-2f6ac19d63d2')

========================== row from database ==========================
                                              'id'  1318599
                                            'path'  /data/Music/Bulk/00poprockelectronic/DJ Shadow/DJ.Shadow.Endtroducing.1998/06 - DJ Shadow - Untitled .mp3
                                         'working'  None
                                         'bitrate'  161
                                    'duration_sec'  24
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  503689
                                           'mtime'  1620568765
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic DJ.Shadow.Endtroducing.1998 06 Untitled hip hop or rnb or rap or turntablism
                                      'tag_artist'  DJ Shadow
                                     'tag_release'  Endtroducing.....
                                       'tag_title'  [untitled]
                                             'bpm'  90.654
                                    'search_title'  'untitled':1,2
                                   'search_artist'  'dj':1 'shadow':2
                                  'search_release'  'endtroducing':1,2
                                     'search_rest'  '00poprockelectronic':1 '1998':5 'dj':2 'djshadowendtroducing1998':6 'endtroducing':4 'hip':8 'hop':9 'or':10 'rap':12 'rnb':11 'shadow':3 'turntablism':13 'untitled':7
                                    'search_combo'  '00poprockelectronic':7 '1998':11 'dj':3B,8 'djshadowendtroducing1998':12 'endtroducing':5C,6C,10 'hip':14 'hop':15 'or':16 'rap':18 'rnb':17 'shadow':4B,9 'turntablism':19 'untitled':1A,2A,13
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic', 'hip hop', 'instrumental', 'downtempo', 'cut-up/dj', 'trip hop']

============================== file details ==============================
                                           'mtime'  1620568765.0246568  (2021-05-09 15:59:25)
                             'size'  503689