======================== unified (from filesystem) ========================
                                         'bitrate'  '319.725'
                                        'duration'  '156'
                                          'artist'  'Hugo Winterhalter & His Orchestra'
                                     'text_people'  ''
                                         'release'  'The Very Best Of Hugo Winterhalter'
                                           'title'  'Song Of The Barefoot Contessa'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spotify', 'all', 'hugo winter', 'pop', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '20'
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '119.546'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '54-240 POS 25'
'COMM:ID3v1 Comment:XXX'                            '54-240 POS 25'
'TALB' (Album/Movie/Show title)                     'The Very Best Of Hugo Winterhalter'
'TBPM' (BPM (beats per minute))                     '119.546'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1954'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Song Of The Barefoot Contessa'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Hugo Winterhalter & His Orchestra'
'TRCK' (Track number/Position in set)               '16/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['spotify', 'all', 'hugo winter', 'pop', 'easy listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+19.19 dB'
'TXXX:replaygain_track_peak'                        '0.074415'

========================== row from database ==========================
                                              'id'  1448496
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-240 - Hugo Winterhalter - Song Of The Barefoot Contessa.mp3
                                         'working'  None
                                         'bitrate'  319
                                    'duration_sec'  156
                                           'genre'  prerock-swing
                                        'filesize'  6269412
                                           'mtime'  1620562489
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 240 prerock swing
                                      'tag_artist'  Hugo Winterhalter & His Orchestra
                                     'tag_release'  The Very Best Of Hugo Winterhalter
                                       'tag_title'  Song Of The Barefoot Contessa
                                             'bpm'  119.546
                                    'search_title'  'barefoot':4 'contessa':5 'of':2 'song':1 'the':3
                                   'search_artist'  'his':3 'hugo':1 'orchestra':4 'winterhalter':2
                                  'search_release'  'best':3 'hugo':5 'of':4 'the':1 'very':2 'winterhalter':6
                                     'search_rest'  '00oldiepop':5 '1954':6 '240':8 '54':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'swing':10
                                    'search_combo'  '00oldiepop':20 '1954':21 '240':23 '54':22 'barefoot':4A 'best':12C 'contessa':5A 'country':19 'exotica':17 'his':8B 'hugo':6B,14C 'jazz':16 'of':2A,13C 'oldies':18 'orchestra':9B 'prerock':24 'song':1A 'swing':25 'the':3A,10C 'very':11C 'winterhalter':7B,15C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['spotify', 'all', 'hugo winter', 'pop', 'easy listening']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562488.541559  (2021-05-09 14:14:48)
                             'size'  6269412