======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '193'
                                          'artist'  'The Little Mermaid'
                                     'text_people'  ''
                                         'release'  'PrimeCuts (Movie Themes)'
                                           'title'  'Under The Sea'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'disney', 'musical', 'composer', 'instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '127.846'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'PrimeCuts (Movie Themes)'
'TBPM' (BPM (beats per minute))                     '127.846'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Under The Sea'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Little Mermaid'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:lastfmtags'                                   ['soundtrack', 'disney', 'musical', 'composer', 'instrumental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.698716'

========================== row from database ==========================
                                              'id'  1505906
                                            'path'  /data/Music/Bulk/0soundtrack/Unsorted/The Little Mermaid - Under The Sea - french language - Sous L_Ocean - La Petite Sirene.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  193
                                           'genre'  soundtrack-video
                                        'filesize'  4648664
                                           'mtime'  1621489389
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Unsorted french language Sous L_Ocean La Petite Sirene soundtrack video
                                      'tag_artist'  The Little Mermaid
                                     'tag_release'  PrimeCuts (Movie Themes)
                                       'tag_title'  Under The Sea
                                             'bpm'  127.846
                                    'search_title'  'sea':3 'the':2 'under':1
                                   'search_artist'  'little':2 'mermaid':3 'the':1
                                  'search_release'  'cuts':7 'movie':2,3 'prime':6 'primecuts':1 'themes':4,5
                                     'search_rest'  '0soundtrack':1 'french':3 'l':6 'la':8 'language':4 'ocean':7 'petite':9 'sirene':10 'soundtrack':11 'sous':5 'unsorted':2 'video':12
                                    'search_combo'  '0soundtrack':14 'cuts':13C 'french':16 'l':19 'la':21 'language':17 'little':5B 'mermaid':6B 'movie':8C,9C 'ocean':20 'petite':22 'prime':12C 'primecuts':7C 'sea':3A 'sirene':23 'soundtrack':24 'sous':18 'the':2A,4B 'themes':10C,11C 'under':1A 'unsorted':15 'video':25
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'disney', 'musical', 'composer', 'instrumental']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489389.4308224  (2021-05-20 07:43:09)
                             'size'  4648664