======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '202'
                                          'artist'  'The Stone Roses'
                                     'text_people'  ''
                                         'release'  'Nine (9.) Miles High'
                                           'title'  'Mersey Paradise (Empress Ballroom, Blackpool 12/8/89)'
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                                      'lastfmtags'  "['indie', 'madchester', 'britpop', 'alternative', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '14'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '132.012'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '132.012'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1989'
'TENC' (Encoded by)                                 'iTunes v6.0.5'
'TIT2' (Title/songname/content description)         'Mersey Paradise (Empress Ballroom, Blackpool 12/8/89)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Stone Roses'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/14'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'madchester', 'britpop', 'alternative', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
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'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
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========================== row from database ==========================
                                              'id'  1257568
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Stone Roses/Stone Roses - Nine (9.) Miles High/10 Mersey Paradise (Empress Ballroom, Blackpool 12_8_89).mp3
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                                    'duration_sec'  202
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4939204
                                           'mtime'  1638554829
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                                        'rest_str'   00singer songwriter eos 10 12_8_89) ifs songwriter indie rock
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                                     'tag_release'  Nine (9.) Miles High
                                       'tag_title'  Mersey Paradise (Empress Ballroom, Blackpool 12/8/89)
                                             'bpm'  132.012
                                    'search_title'  '12':8 '12889':11 '8':9 '89':10 'ballroom':5,6 'blackpool':7 'empress':3,4 'mersey':1 'paradise':2
                                   'search_artist'  'roses':3 'stone':2 'the':1
                                  'search_release'  '9':2,3 'high':5 'miles':4 'nine':1
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                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9B
                                           '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-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'madchester', 'britpop', 'alternative', 'rock']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554828.6912138  (2021-12-03 19:07:08)
                             'size'  4939204