======================== unified (from filesystem) ========================
                                         'bitrate'  '268.13'
                                        'duration'  '274'
                                          'artist'  'The Prodigy'
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                                           'title'  'Shoot Down (feat. Liam Gallagher)'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'breakbeat', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or radio-bigbeat;eid-ebm or industrial or '
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                                             'bpm'  '124.4'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00002286 00002320 000071DD 00009C67 00024850 000356C0 00008000 00008000 '
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'TALB' (Album/Movie/Show title)                     'Always Outnumbered, Never Outgunned'
'TBPM' (BPM (beats per minute))                     '124.4'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-bigbeat',
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'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Shoot Down (feat. Liam Gallagher)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TPE2' (Band/orchestra/accompaniment)               'The Prodigy'
'TRCK' (Track number/Position in set)               '12'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 (beta)'
'TXXX:MusicBrainz Album Id'                         '6338adbf-e467-45ed-8f76-9feef7487ce2'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4a4ee089-93b1-4470-af9a-6ff575d32704'
'TXXX:MusicBrainz TRM Id'                           '9d8b4d68-128f-4938-9553-acc8cf12fe71'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'breakbeat', 'big beat']
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.37 dB'
'TXXX:replaygain_track_peak'                        '0.327978'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f280f9b2-fbd2-43fb-bebe-74a0c47dbc23')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00poprockelectronic/The Prodigy/[2004] Always Outnumbered, Never Outgunned/12 Shoot Down (feat. Liam Gallagher).mp3
                                         'working'  None
                                         'bitrate'  268
                                    'duration_sec'  274
                                           'genre'  electronic-generic or radio-bigbeat;eid-ebm or industrial or darkwave;set-pl-sced
                                        'filesize'  9257079
                                           'mtime'  1620296978
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2004] 12 electronic generic or radio bigbeat;eid ebm or industrial or darkwave;set pl sced
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Always Outnumbered, Never Outgunned
                                       'tag_title'  Shoot Down (feat. Liam Gallagher)
                                             'bpm'  124.4
                                    'search_title'  'down':2 'feat':3,4 'gallagher':6,7 'liam':5 'shoot':1
                                   'search_artist'  'prodigy':2 'the':1
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                                    'search_combo'  '00poprockelectronic':15 '2004':16,17 'always':10C 'bigbeat':22,24 'darkwave':28,30 'down':2A 'ebm':26 'eid':23,25 'electronic':18 'feat':3A,4A 'gallagher':6A,7A 'generic':19 'industrial':27 'liam':5A 'never':13C 'or':20 'outgunned':14C 'outnumbered':11C,12C 'pl':32 'prodigy':9B 'radio':21 'sced':33 'set':29,31 'shoot':1A 'the':8B
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'breakbeat', 'big beat']

============================== file details ==============================
                                           'mtime'  1620296978.1890929  (2021-05-06 12:29:38)
                             'size'  9257079