======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '155'
                                          'artist'  'Danny Kaye'
                                     'text_people'  ''
                                         'release'  'Decca M 33090'
                                           'title'  'Thing (the)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['11', '1301fh', 'oldies', 'jazz', 'comedy', '50s']"
                                     'discogstags'  "['trance', 'electronic', 'euro house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-male'
                                             'bpm'  '127.124'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Decca M 33090'
'TBPM' (BPM (beats per minute))                     '127.124'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-male'
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         'Thing (the)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Danny Kaye'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['trance', 'electronic', 'euro house']
'TXXX:lastfmtags'                                   ['11', '1301fh', 'oldies', 'jazz', 'comedy', '50s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.76 dB'
'TXXX:replaygain_track_peak'                        '0.573899'

========================== row from database ==========================
                                              'id'  1442229
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1950/Danny Kaye - Thing (the) 1950.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  155
                                           'genre'  prerock-vocal-male
                                        'filesize'  3118774
                                           'mtime'  1621625757
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1950 1950 prerock vocal male
                                      'tag_artist'  Danny Kaye
                                     'tag_release'  Decca M 33090
                                       'tag_title'  Thing (the)
                                             'bpm'  127.124
                                    'search_title'  'the':2,3 'thing':1
                                   'search_artist'  'danny':1 'kaye':2
                                  'search_release'  '33090':3 'decca':1 'm':2
                                     'search_rest'  '00oldiepop':5 '1950':6 'country':4 'exotica':2 'jazz':1 'male':9 'oldies':3 'prerock':7 'vocal':8
                                    'search_combo'  '00oldiepop':13 '1950':14 '33090':8C 'country':12 'danny':4B 'decca':6C 'exotica':10 'jazz':9 'kaye':5B 'm':7C 'male':17 'oldies':11 'prerock':15 'the':2A,3A 'thing':1A 'vocal':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['11', '1301fh', 'oldies', 'jazz', 'comedy', '50s']
                                        'tag_date'  1950
                                     'discogstags'  ['trance', 'electronic', 'euro house']

============================== file details ==============================
                                           'mtime'  1621625756.7487805  (2021-05-21 21:35:56)
                             'size'  3118774