======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '190'
                                          'artist'  'Gorillaz'
                                     'text_people'  ''
                                         'release'  'Demon Days'
                                           'title'  'Last Living Souls'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'alternative', 'electronic', 'hip hop', 'rock']"
                                     'discogstags'  ("['electronic', 'hip hop', 'rock', 'leftfield', 'trip hop', 'lo-fi', 'pop "
 "rap', 'brit pop', 'downtempo']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism;rock-pop-indie'
                                             'bpm'  '137.106'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Demon Days'
'TBPM' (BPM (beats per minute))                     '137.106'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism', 'rock-pop-indie']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Last Living Souls'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gorillaz'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic',
 'hip hop',
 'rock',
 'leftfield',
 'trip hop',
 'lo-fi',
 'pop rap',
 'brit pop',
 'downtempo']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'electronic', 'hip hop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.06 dB'
'TXXX:replaygain_track_peak'                        '0.481375'

========================== row from database ==========================
                                              'id'  719445
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/02 gorillaz - last living souls.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  190
                                           'genre'  hip hop or rnb or rap or turntablism;rock-pop-indie
                                        'filesize'  4574938
                                           'mtime'  1620736531
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 02 gorillaz last living souls hip hop rnb rap turntablism;rock pop indie
                                      'tag_artist'  Gorillaz
                                     'tag_release'  Demon Days
                                       'tag_title'  Last Living Souls
                                             'bpm'  137.106
                                    'search_title'  'last':1 'living':2 'souls':3
                                   'search_artist'  'gorillaz':1
                                  'search_release'  'days':2 'demon':1
                                     'search_rest'  'gorillaz':5 'hip':9 'hiphop':1 'hop':10 'indie':16 'last':6 'living':7 'pop':15 'rap':2 'rnb':3 'rock':12,14 'souls':8 'turntablism':4,11,13
                                    'search_combo'  'days':6C 'demon':5C 'gorillaz':4B,11 'hip':15 'hiphop':7 'hop':16 'indie':22 'last':1A,12 'living':2A,13 'pop':21 'rap':8 'rnb':9 'rock':18,20 'souls':3A,14 'turntablism':10,17,19
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'electronic', 'hip hop', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'hip hop', 'rock', 'leftfield', 'trip hop', 'lo-fi', 'pop rap', 'brit pop', 'downtempo']

============================== file details ==============================
                                           'mtime'  1620736531.016173  (2021-05-11 14:35:31)
                             'size'  4574938