======================== unified (from filesystem) ========================
                                         'bitrate'  '187.462'
                                        'duration'  '55'
                                          'artist'  'The Stone Roses'
                                     'text_people'  ''
                                         'release'  'The Stone Roses'
                                           'title'  'Elizabeth My Dear'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'madchester', 'britpop', 'alternative', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-gr'
                                             'bpm'  '107.208'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Stone Roses'
'TBPM' (BPM (beats per minute))                     '107.208'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Elizabeth My Dear'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Stone Roses'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'madchester', 'britpop', 'alternative', 'rock']
'TXXX:original release date'                        ['1989', '1989']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.89 dB'
'TXXX:replaygain_track_peak'                        '0.799966'

========================== row from database ==========================
                                              'id'  1267217
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Stone Roses/The Stone Roses_/The Stone Roses/07 elizabeth my dear.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  55
                                           'genre'  rock-gr
                                        'filesize'  1310274
                                           'mtime'  1636903194
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Roses_ 07 elizabeth my dear rock gr
                                      'tag_artist'  The Stone Roses
                                     'tag_release'  The Stone Roses
                                       'tag_title'  Elizabeth My Dear
                                             'bpm'  107.208
                                    'search_title'  'dear':3 'elizabeth':1 'my':2
                                   'search_artist'  'roses':3 'stone':2 'the':1
                                  'search_release'  'roses':3 'stone':2 'the':1
                                     'search_rest'  '00singer':1 'dear':7 'elizabeth':5 'eos':3 'gr':9 'my':6 'rock':8 'roses':4 'songwriter':2
                                    'search_combo'  '00singer':10 'dear':3A,16 'elizabeth':1A,14 'eos':12 'gr':18 'my':2A,15 'rock':17 'roses':6B,9C,13 'songwriter':11 'stone':5B,8C 'the':4B,7C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'madchester', 'britpop', 'alternative', 'rock']
                                        'tag_date'  1989
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636903194.4098363  (2021-11-14 16:19:54)
                             'size'  1310274