======================== unified (from filesystem) ========================
                                         'bitrate'  '186.891'
                                        'duration'  '210'
                                          'artist'  'Essem & Aitch'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Popcorn (Radio Edit)'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['mainstream singles']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '137.852'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '137.852'
'TIT2' (Title/songname/content description)         'Popcorn (Radio Edit)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Essem & Aitch'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'mainstream singles'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.11 dB'
'TXXX:replaygain_track_peak'                        '0.845576'

========================== row from database ==========================
                                              'id'  1491358
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Essem & Aitch__cifs620d.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  210
                                           'genre'  
                                        'filesize'  4929408
                                           'mtime'  1652397834
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch Aitch__cifs620d
                                      'tag_artist'  Essem & Aitch
                                     'tag_release'  None
                                       'tag_title'  Popcorn (Radio Edit)
                                             'bpm'  137.852
                                    'search_title'  'edit':4,5 'popcorn':1 'radio':2,3
                                   'search_artist'  'aitch':2 'essem':1
                                  'search_release'  
                                     'search_rest'  '00dutch':4 '00mid':1 'aitch':5 'cifs620d':6 'europe':3 'north':2
                                    'search_combo'  '00dutch':11 '00mid':8 'aitch':7B,12 'cifs620d':13 'edit':4A,5A 'essem':6B 'europe':10 'north':9 'popcorn':1A 'radio':2A,3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['mainstream singles']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397833.8902888  (2022-05-13 01:23:53)
                             'size'  4929408