======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '124'
                                          'artist'  'Danny Kaye'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Wonderful Copenhagen'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', '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'  '1953'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-male'
                                             'bpm'  '119.971'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '119.971'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-male'
'TDRC' (Recording time)                             '1953'
'TIT2' (Title/songname/content description)         'Wonderful Copenhagen'
'TKEY' (Initial key)                                '8A'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+1.69 dB'
'TXXX:replaygain_track_peak'                        '0.467515'

========================== row from database ==========================
                                              'id'  1448021
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1953/Danny Kaye - Wonderful Copenhagen 27-2-1953.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  124
                                           'genre'  prerock-vocal-male
                                        'filesize'  2498239
                                           'mtime'  1621625764
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1953 27 2 1953 prerock vocal male
                                      'tag_artist'  Danny Kaye
                                     'tag_release'  None
                                       'tag_title'  Wonderful Copenhagen
                                             'bpm'  119.971
                                    'search_title'  'copenhagen':2 'wonderful':1
                                   'search_artist'  'danny':1 'kaye':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1953':6 '2':8 '27':7 'country':4 'exotica':2 'jazz':1 'male':11 'oldies':3 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':9 '1953':10 '2':12 '27':11 'copenhagen':2A 'country':8 'danny':3B 'exotica':6 'jazz':5 'kaye':4B 'male':15 'oldies':7 'prerock':13 'vocal':14 'wonderful':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['11', '1301fh', 'oldies', 'jazz', 'comedy', '50s']
                                        'tag_date'  1953
                                     'discogstags'  ['trance', 'electronic', 'euro house']

============================== file details ==============================
                                           'mtime'  1621625764.4601252  (2021-05-21 21:36:04)
                             'size'  2498239