======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '494'
                                          'artist'  'Franz Ferdinand'
                                     'text_people'  ''
                                         'release'  'PUSSY220MD2 (NOVEMBER #2 2004)'
                                           'title'  'This Fffire (Playgroup Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '137.199'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'PUSSY220MD2 (NOVEMBER #2 2004)'
'TBPM' (BPM (beats per minute))                     '137.199'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'This Fffire (Playgroup Mix)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Franz Ferdinand'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.496947'

========================== row from database ==========================
                                              'id'  1268199
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Franz Ferdinand/08. This Fffire (Playgroup Mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  494
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  11859352
                                           'mtime'  1621697497
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 08. ifs songwriter indie rock
                                      'tag_artist'  Franz Ferdinand
                                     'tag_release'  PUSSY220MD2 (NOVEMBER #2 2004)
                                       'tag_title'  This Fffire (Playgroup Mix)
                                             'bpm'  137.199
                                    'search_title'  'fffire':2 'mix':5,6 'playgroup':3,4 'this':1
                                   'search_artist'  'ferdinand':2 'franz':1
                                  'search_release'  '2':4,5 '2004':6,7 'november':2,3 'pussy220md2':1
                                     'search_rest'  '00singer':1 '08':4,5 'eos':3 'ifs':6 'indie':7 'rock':8 'songwriter':2
                                    'search_combo'  '00singer':16 '08':19,20 '2':12C,13C '2004':14C,15C 'eos':18 'ferdinand':8B 'fffire':2A 'franz':7B 'ifs':21 'indie':22 'mix':5A,6A 'november':10C,11C 'playgroup':3A,4A 'pussy220md2':9C 'rock':23 'songwriter':17 'this':1A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'indie rock', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697496.540813  (2021-05-22 17:31:36)
                             'size'  11859352