======================== unified (from filesystem) ========================
                                         'bitrate'  '258.829'
                                        'duration'  '65'
                                          'artist'  'Lauren Weinger'
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                                         'release'  'State of the Union'
                                           'title'  'Place Study #3'
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                                     'discogstags'  ("['field recording', 'electronic', 'non-music', 'experimental', 'sound "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '36'
                                      'tracktotal'  '71'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '139.3'
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rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'State of the Union'
'TBPM' (BPM (beats per minute))                     '139.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-07-09'
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'TIT2' (Title/songname/content description)         'Place Study #3'
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'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Lauren Weinger'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Atavistic'
'TRCK' (Track number/Position in set)               '36/71'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Weinger, Lauren'
'TSSE' (Software/Hardware and settings used for encoding)  '-V="0"'
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'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
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'TXXX:discogstags'                                  ['field recording', 'electronic', 'non-music', 'experimental', 'sound collage']
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'TXXX:q-chart'                                      '1'
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========================== row from database ==========================
                                              'id'  1380128
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Peter Blegvad & John Greaves - State of the Union - cd1/36 Lauren Weinger - Place Study #3.mp3
                                         'working'  None
                                         'bitrate'  259
                                    'duration_sec'  65
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  2135916
                                           'mtime'  1628358558
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Peter Blegvad & John Greaves cd1 36 electronic experimental oddness
                                      'tag_artist'  Lauren Weinger
                                     'tag_release'  State of the Union
                                       'tag_title'  Place Study #3
                                             'bpm'  139.3
                                    'search_title'  '3':3,4 'place':1 'study':2
                                   'search_artist'  'lauren':1 'weinger':2
                                  'search_release'  'of':2 'state':1 'the':3 'union':4
                                     'search_rest'  '36':6 'blegvad':2 'cd1':5 'electronic':7 'experimental':8 'greaves':4 'john':3 'oddness':9 'peter':1
                                    'search_combo'  '3':3A,4A '36':16 'blegvad':12 'cd1':15 'electronic':17 'experimental':18 'greaves':14 'john':13 'lauren':5B 'oddness':19 'of':8C 'peter':11 'place':1A 'state':7C 'study':2A 'the':9C 'union':10C 'weinger':6B
                                    'tag_tracknum'  36
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1996
                                     'discogstags'  ['field recording', 'electronic', 'non-music', 'experimental', 'sound collage']

============================== file details ==============================
                                           'mtime'  1628358557.8008158  (2021-08-07 19:49:17)
                             'size'  2135916