======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '208'
                                          'artist'  'Peerless Quartet'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "We'll Do Our Share While You're Over There"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', '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']")
                                      'lastfmtags'  "['spotify', 'all', 'cpdp', 'minstrel', 'acoustic era']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1918'
                                        'comments'  ''
                                           'genre'  'prerock-minstrel'
                                             'bpm'  '112.4'
                                             'key'  '9A'
                                        '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)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '112.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-minstrel'
'TDRC' (Recording time)                             '1918-05-29'
'TIT2' (Title/songname/content description)         "We'll Do Our Share While You're Over There"
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '208000'
'TPE1' (Lead performer(s)/Soloist(s))               'Peerless Quartet'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['spotify', 'all', 'cpdp', 'minstrel', 'acoustic era']
'TXXX:q-bass'                                       '1'
'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'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.660003'

========================== row from database ==========================
                                              'id'  1508947
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1918/Peerless Quartet - We_ll Do Our Share While You_re Over There -5-1918.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  208
                                           'genre'  prerock-minstrel
                                        'filesize'  4311157
                                           'mtime'  1642095524
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1918 We_ll You_re 5 1918 prerock minstrel
                                      'tag_artist'  Peerless Quartet
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  We'll Do Our Share While You're Over There
                                             'bpm'  112.4
                                    'search_title'  'do':4 'll':2 'our':5 'over':11 're':9 'share':6 'there':12 'we':1 'well':3 'while':7 'you':8 'youre':10
                                   'search_artist'  'peerless':1 'quartet':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1918':6 '5':11 'country':4 'exotica':2 'jazz':1 'll':8 'minstrel':13 'oldies':3 'prerock':12 're':10 'we':7 'you':9
                                    'search_combo'  '00oldiepop':24 '1918':25 '5':30 'album':16C 'country':23 'do':4A 'exotica':21 'jazz':20 'll':2A,27 'minstrel':32 'non':15C 'nonalbum':17C 'oldies':22 'our':5A 'over':11A 'peerless':13B 'prerock':31 'quartet':14B 're':9A,29 'share':6A 'there':12A 'tracks':18C,19C 'we':1A,26 'well':3A 'while':7A 'you':8A,28 'youre':10A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', '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']
                                      'lastfmtags'  ['spotify', 'all', 'cpdp', 'minstrel', 'acoustic era']
                                        'tag_date'  1918
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642095523.787715  (2022-01-13 18:38:43)
                             'size'  4311157