======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '168'
                                          'artist'  'Ken Snakehips Johnson'
                                     'text_people'  ''
                                         'release'  'HMV BD-5592'
                                           'title'  'It Was A Lover And His Lass (vocal - Al Bowlly)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '145.2'
                                             'key'  '4A'
                                        '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-5592'
'TBPM' (BPM (beats per minute))                     '145.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1940-04-24'
'TIT2' (Title/songname/content description)         'It Was A Lover And His Lass (vocal - Al Bowlly)'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '168000'
'TPE1' (Lead performer(s)/Soloist(s))               'Ken Snakehips Johnson'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.36 dB'
'TXXX:replaygain_track_peak'                        '0.592821'

========================== row from database ==========================
                                              'id'  1521830
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1940/Ken _ Snakehips _Johnson - It Was A Lover And His Lass (vocal - Al Bowlly) 24-4-1940.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  168
                                           'genre'  prerock-unsorted
                                        'filesize'  3413454
                                           'mtime'  1621698039
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1940 _ _Johnson 24 4 1940 prerock unsorted
                                      'tag_artist'  Ken Snakehips Johnson
                                     'tag_release'  HMV BD-5592
                                       'tag_title'  It Was A Lover And His Lass (vocal - Al Bowlly)
                                             'bpm'  145.2
                                    'search_title'  'a':3 'al':10 'and':5 'bowlly':11,12 'his':6 'it':1 'lass':7 'lover':4 'vocal':8,9 'was':2
                                   'search_artist'  'johnson':3 'ken':1 'snakehips':2
                                  'search_release'  '5592':3 'bd':2 'bd5592':4 'hmv':1
                                     'search_rest'  '00oldiepop':5 '1940':6 '24':8 '4':9 'country':4 'exotica':2 'jazz':1 'johnson':7 'oldies':3 'prerock':10 'unsorted':11
                                    'search_combo'  '00oldiepop':24 '1940':25 '24':27 '4':28 '5592':18C 'a':3A 'al':10A 'and':5A 'bd':17C 'bd5592':19C 'bowlly':11A,12A 'country':23 'exotica':21 'his':6A 'hmv':16C 'it':1A 'jazz':20 'johnson':15B,26 'ken':13B 'lass':7A 'lover':4A 'oldies':22 'prerock':29 'snakehips':14B 'unsorted':30 'vocal':8A,9A 'was':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1940
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698039.0186288  (2021-05-22 17:40:39)
                             'size'  3413454