======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '191'
                                          'artist'  'Jack Hylton'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "There'll Never Be Another You (vocal - Celia Lipton)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-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-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', '1920s', 'jazz', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '112.4'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '112.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1940-02-01'
'TIT2' (Title/songname/content description)         "There'll Never Be Another You (vocal - Celia Lipton)"
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '191000'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Hylton'
'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:lastfmtags'                                   ['big band', '1920s', 'jazz', 'oldies', 'swing']
'TXXX:q-bass'                                       '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.24 dB'
'TXXX:replaygain_track_peak'                        '0.570669'

========================== row from database ==========================
                                              'id'  1498362
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1940/Jack Hylton - There_ll Never Be Another You (vocal - Celia Lipton) 1-2-1940.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  191
                                           'genre'  prerock-band
                                        'filesize'  3950342
                                           'mtime'  1620560821
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1940 There_ll 1 2 1940 prerock band
                                      'tag_artist'  Jack Hylton
                                     'tag_release'  None
                                       'tag_title'  There'll Never Be Another You (vocal - Celia Lipton)
                                             'bpm'  112.4
                                    'search_title'  'another':6 'be':5 'celia':10 'lipton':11,12 'll':2 'never':4 'there':1 'therell':3 'vocal':8,9 'you':7
                                   'search_artist'  'hylton':2 'jack':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1':9 '1940':6 '2':10 'band':12 'country':4 'exotica':2 'jazz':1 'll':8 'oldies':3 'prerock':11 'there':7
                                    'search_combo'  '00oldiepop':19 '1':23 '1940':20 '2':24 'another':6A 'band':26 'be':5A 'celia':10A 'country':18 'exotica':16 'hylton':14B 'jack':13B 'jazz':15 'lipton':11A,12A 'll':2A,22 'never':4A 'oldies':17 'prerock':25 'there':1A,21 'therell':3A 'vocal':8A,9A 'you':7A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['big band', '1920s', 'jazz', 'oldies', 'swing']
                                        'tag_date'  1940
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560821.3349824  (2021-05-09 13:47:01)
                             'size'  3950342