======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '234'
                                          'artist'  'The Magnetic Fields'
                                     'text_people'  'Stephin Merritt'
                                         'release'  '69 Love Songs, Volume 3'
                                           'title'  "It's a Crime"
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                                      'lastfmtags'  "['indie', 'indie pop', 'mellow', 'ukulele', 'beautiful']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '23'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '87.9'
                                             'key'  '9A'
                                        'acoustid'  '950b9fdd-ffbe-4a9c-b4de-d775356ecb29'
rest: ''

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'TALB' (Album/Movie/Show title)                     '69 Love Songs, Volume 3'
'TBPM' (BPM (beats per minute))                     '87.9'
'TCOM' (Composer)                                   'Stephin Merritt'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-09-07'
'TIT2' (Title/songname/content description)         "It's a Crime"
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Magnetic Fields'
'TPE2' (Band/orchestra/accompaniment)               'The Magnetic Fields'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Merge Records'
'TRCK' (Track number/Position in set)               '2/23'
'TSO2'                                              'Magnetic Fields, The'
'TSOP' (Performer sort order)                       'Magnetic Fields, The'
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'TXXX:Q-UNU'                                        '1'
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'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'mellow', 'ukulele', 'beautiful']
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Magnetic Fields - 2000 - 69 Love Songs (Circus Records) [192k]/302 - its a crime.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  234
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  5633303
                                           'mtime'  1636403022
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2000 (Circus Records) [192k] 302 its crime ifs songwriter indie unsorted
                                      'tag_artist'  The Magnetic Fields
                                     'tag_release'  69 Love Songs, Volume 3
                                       'tag_title'  It's a Crime
                                             'bpm'  87.9
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                                   'search_artist'  'fields':3 'magnetic':2 'the':1
                                  'search_release'  '3':6 '69':1 'love':2 'songs':3,4 'volume':5
                                     'search_rest'  '192k':6,7 '2000':1 '302':8 'circus':2,3 'crime':10 'ifs':11 'indie':13 'its':9 'records':4,5 'songwriter':12 'unsorted':14
                                    'search_combo'  '192k':20,21 '2000':15 '3':14C '302':22 '69':9C 'a':4A 'circus':16,17 'crime':5A,24 'fields':8B 'ifs':25 'indie':27 'it':1A 'its':3A,23 'love':10C 'magnetic':7B 'records':18,19 's':2A 'songs':11C,12C 'songwriter':26 'the':6B 'unsorted':28 'volume':13C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'mellow', 'ukulele', 'beautiful']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636403021.694696  (2021-11-08 21:23:41)
                             'size'  5633303