======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '162'
                                          'artist'  'Victor Young & His Orchestra'
                                     'text_people'  ''
                                         'release'  'DECCA 29653'
                                           'title'  'Autumn Leaves'
                                           'quals'  ("['Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['1930s', 'jazz', '50s', 'oldies', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '193'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '141.314'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'DECCA 29653'
'TBPM' (BPM (beats per minute))                     '141.314'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Autumn Leaves'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Victor Young & His Orchestra'
'TRCK' (Track number/Position in set)               '193'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['1930s', 'jazz', '50s', 'oldies', 'vocal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.391714'

========================== row from database ==========================
                                              'id'  1432988
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-193 - Victor Young & His Orchestra - Autumn Leaves.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  162
                                           'genre'  prerock-vocal
                                        'filesize'  6511720
                                           'mtime'  1620385824
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 193 prerock vocal
                                      'tag_artist'  Victor Young & His Orchestra
                                     'tag_release'  DECCA 29653
                                       'tag_title'  Autumn Leaves
                                             'bpm'  141.314
                                    'search_title'  'autumn':1 'leaves':2
                                   'search_artist'  'his':3 'orchestra':4 'victor':1 'young':2
                                  'search_release'  '29653':2 'decca':1
                                     'search_rest'  '00oldiepop':5 '193':7 '1955':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':13 '193':15 '1955':14 '29653':8C 'autumn':1A 'country':12 'decca':7C 'exotica':10 'his':5B 'jazz':9 'leaves':2A 'oldies':11 'orchestra':6B 'prerock':16 'victor':3B 'vocal':17 'young':4B
                                    'tag_tracknum'  193
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['1930s', 'jazz', '50s', 'oldies', 'vocal']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385824.159625  (2021-05-07 13:10:24)
                             'size'  6511720