======================== unified (from filesystem) ========================
                                         'bitrate'  '186.963'
                                        'duration'  '197'
                                          'artist'  'Al Green'
                                     'text_people'  ''
                                         'release'  'Pulp Fiction'
                                           'title'  'Al Green - Pulp Fiction (Music'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '101.564'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pulp Fiction'
'TBPM' (BPM (beats per minute))                     '101.564'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Al Green - Pulp Fiction (Music'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Green'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.690461'

========================== row from database ==========================
                                              'id'  1497390
                                            'path'  /data/Music/Bulk/0soundtrack/Pulp Fiction/04 Al Green - Let_s Stay Together.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  197
                                           'genre'  soundtrack-video
                                        'filesize'  4608814
                                           'mtime'  1620334138
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 04 Let_s Stay Together soundtrack video
                                      'tag_artist'  Al Green
                                     'tag_release'  Pulp Fiction
                                       'tag_title'  Al Green - Pulp Fiction (Music
                                             'bpm'  101.564
                                    'search_title'  'al':1 'fiction':4 'green':2 'music':5,6 'pulp':3
                                   'search_artist'  'al':1 'green':2
                                  'search_release'  'fiction':2 'pulp':1
                                     'search_rest'  '0soundtrack':1 'let':2 's':3 'soundtrack':6 'stay':4 'together':5 'video':7
                                    'search_combo'  '0soundtrack':11 'al':1A,7B 'fiction':4A,10C 'green':2A,8B 'let':12 'music':5A,6A 'pulp':3A,9C 's':13 'soundtrack':16 'stay':14 'together':15 'video':17
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620334137.680283  (2021-05-06 22:48:57)
                             'size'  4608814