======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '174'
                                          'artist'  'George Formby'
                                     'text_people'  ''
                                         'release'  'The Best of George Formby'
                                           'title'  'The Window Cleaner (No2)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['music hall', 'comedy', 'british', 'ukulele', 'squeaky voiced purveyor of "
 "ukelele fuelled 1940s smut']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'prerock-comedy'
                                             'bpm'  '108.008'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Best of George Formby'
'TBPM' (BPM (beats per minute))                     '108.008'
'TCON' (Content type, a.k.a. Genre)                 'prerock-comedy'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'The Window Cleaner (No2)'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'George Formby'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['music hall',
 'comedy',
 'british',
 'ukulele',
 'squeaky voiced purveyor of ukelele fuelled 1940s smut']
'TXXX:original release date'                        ['2009', '2016']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.76 dB'
'TXXX:replaygain_track_peak'                        '0.593973'

========================== row from database ==========================
                                              'id'  679636
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/George Formby/MBZ;#George Formby;#The Best of George Formby;#20;#The Window Cleaner (No2).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  174
                                           'genre'  prerock-comedy
                                        'filesize'  2788956
                                           'mtime'  1636913872
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country MBZ;#George Formby;#The Formby;#20;#The prerock comedy
                                      'tag_artist'  George Formby
                                     'tag_release'  The Best of George Formby
                                       'tag_title'  The Window Cleaner (No2)
                                             'bpm'  108.008
                                    'search_title'  'cleaner':3 'no2':4,5 'the':1 'window':2
                                   'search_artist'  'formby':2 'george':1
                                  'search_release'  'best':2 'formby':5 'george':4 'of':3 'the':1
                                     'search_rest'  '20':14,17 'comedy':20 'country':4 'exotica':2 'formby':9,11,13,16 'george':6,8 'jazz':1 'mbz':5,7 'oldies':3 'prerock':19 'the':10,12,15,18
                                    'search_combo'  '20':26,29 'best':9C 'cleaner':3A 'comedy':32 'country':16 'exotica':14 'formby':7B,12C,21,23,25,28 'george':6B,11C,18,20 'jazz':13 'mbz':17,19 'no2':4A,5A 'of':10C 'oldies':15 'prerock':31 'the':1A,8C,22,24,27,30 'window':2A
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['music hall', 'comedy', 'british', 'ukulele', 'squeaky voiced purveyor of ukelele fuelled 1940s smut']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913872.0404804  (2021-11-14 19:17:52)
                             'size'  2788956