======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '188'
                                          'artist'  'The Beach Boys'
                                     'text_people'  ''
                                         'release'  'Love You'
                                           'title'  'Airplane'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['surf', 'rock', 'pop', '60s', 'classic rock']"
                                     'discogstags'  "['rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic;rock-cppex;rock-pop-surf'
                                             'bpm'  '100.856'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Love You'
'TBPM' (BPM (beats per minute))                     '100.856'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-classic', 'rock-cppex', 'rock-pop-surf']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Airplane'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beach Boys'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop rock']
'TXXX:lastfmtags'                                   ['surf', 'rock', 'pop', '60s', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.585227'

========================== row from database ==========================
                                              'id'  1317334
                                            'path'  /data/Music/Bulk/00poprockelectronic/Heart/1977 - Love You/13. Airplane.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  188
                                           'genre'  rock-cppex-classic;rock-cppex;rock-pop-surf
                                        'filesize'  7534674
                                           'mtime'  1636301327
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Heart 1977 13. rock cppex classic;rock cppex;rock pop surf
                                      'tag_artist'  The Beach Boys
                                     'tag_release'  Love You
                                       'tag_title'  Airplane
                                             'bpm'  100.856
                                    'search_title'  'airplane':1
                                   'search_artist'  'beach':2 'boys':3 'the':1
                                  'search_release'  'love':1 'you':2
                                     'search_rest'  '00poprockelectronic':1 '13':4,5 '1977':3 'classic':8,10 'cppex':7,12,14 'heart':2 'pop':16 'rock':6,9,11,13,15 'surf':17
                                    'search_combo'  '00poprockelectronic':7 '13':10,11 '1977':9 'airplane':1A 'beach':3B 'boys':4B 'classic':14,16 'cppex':13,18,20 'heart':8 'love':5C 'pop':22 'rock':12,15,17,19,21 'surf':23 'the':2B 'you':6C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'rock', 'pop', '60s', 'classic rock']
                                        'tag_date'  1960
                                     'discogstags'  ['rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636301327.468298  (2021-11-07 17:08:47)
                             'size'  7534674