======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '163'
                                          'artist'  'Maurice Winnick'
                                     'text_people'  ''
                                         'release'  'HMV BD-5583'
                                           'title'  "There's A Boy Coming Home On Leave (vocal - Al Bowlly)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  '[\'big band\', \'jazz\', "1920\'s", \'swing\']'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '129.1'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'HMV BD-5583'
'TBPM' (BPM (beats per minute))                     '129.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1940-03-26'
'TIT2' (Title/songname/content description)         "There's A Boy Coming Home On Leave (vocal - Al Bowlly)"
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '163000'
'TPE1' (Lead performer(s)/Soloist(s))               'Maurice Winnick'
'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', 'jazz', "1920's", 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+2.23 dB'
'TXXX:replaygain_track_peak'                        '0.596611'

========================== row from database ==========================
                                              'id'  1498801
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1940/Maurice Winnick - There_s A Boy Coming Home On Leave (vocal - Al Bowlly) 26-3-1940.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  163
                                           'genre'  prerock-band
                                        'filesize'  3309485
                                           'mtime'  1620560827
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1940 There_s 26 1940 prerock band
                                      'tag_artist'  Maurice Winnick
                                     'tag_release'  HMV BD-5583
                                       'tag_title'  There's A Boy Coming Home On Leave (vocal - Al Bowlly)
                                             'bpm'  129.1
                                    'search_title'  'a':4 'al':12 'bowlly':13,14 'boy':5 'coming':6 'home':7 'leave':9 'on':8 's':2 'there':1 'theres':3 'vocal':10,11
                                   'search_artist'  'maurice':1 'winnick':2
                                  'search_release'  '5583':3 'bd':2 'bd5583':4 'hmv':1
                                     'search_rest'  '00oldiepop':5 '1940':6 '26':9 'band':11 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 's':8 'there':7
                                    'search_combo'  '00oldiepop':25 '1940':26 '26':29 '5583':19C 'a':4A 'al':12A 'band':31 'bd':18C 'bd5583':20C 'bowlly':13A,14A 'boy':5A 'coming':6A 'country':24 'exotica':22 'hmv':17C 'home':7A 'jazz':21 'leave':9A 'maurice':15B 'oldies':23 'on':8A 'prerock':30 's':2A,28 'there':1A,27 'theres':3A 'vocal':10A,11A 'winnick':16B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           '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-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', "1920's", 'swing']
                                        'tag_date'  1940
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560827.4799592  (2021-05-09 13:47:07)
                             'size'  3309485