======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '164'
                                          'artist'  'Fats Waller'
                                     'text_people'  ''
                                         'release'  'The Early Years, Part 1, Disc 1'
                                           'title'  'How Can You Face Me'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['piano', 'jazz', 'blues', 'jazz piano', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '247'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '144.955'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1934 and peaked at #16 on Various Charts.\r\n'
 'Source: Pop Memories 1890-1954 (1986 Edition).')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #'
'TALB' (Album/Movie/Show title)                     'The Early Years, Part 1, Disc 1'
'TBPM' (BPM (beats per minute))                     '144.955'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'How Can You Face Me'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fats Waller'
'TPE2' (Band/orchestra/accompaniment)               'Fats Waller'
'TRCK' (Track number/Position in set)               '247'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['piano', 'jazz', 'blues', 'jazz piano', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+7.71 dB'
'TXXX:replaygain_track_peak'                        '0.365477'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1934_247')

========================== row from database ==========================
                                              'id'  679159
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/097 fats waller - how can you face me.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  164
                                           'genre'  prerock-swing
                                        'filesize'  1977399
                                           'mtime'  1620560329
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 097 fats waller how can you face me prerock swing
                                      'tag_artist'  Fats Waller
                                     'tag_release'  The Early Years, Part 1, Disc 1
                                       'tag_title'  How Can You Face Me
                                             'bpm'  144.955
                                    'search_title'  'can':2 'face':4 'how':1 'me':5 'you':3
                                   'search_artist'  'fats':1 'waller':2
                                  'search_release'  '1':6,7 'disc':8 'early':2 'part':5 'the':1 'years':3,4
                                     'search_rest'  '00oldiepop':5 '1934':6 'can':10 'country':4 'exotica':2 'face':12 'fats':7 'how':9 'jazz':1 'me':13 'oldies':3 'prerock':14 'swing':15 'waller':8 'you':11
                                    'search_combo'  '00oldiepop':20 '1':13C,14C '1934':21 'can':2A,25 'country':19 'disc':15C 'early':9C 'exotica':17 'face':4A,27 'fats':6B,22 'how':1A,24 'jazz':16 'me':5A,28 'oldies':18 'part':12C 'prerock':29 'swing':30 'the':8C 'waller':7B,23 'years':10C,11C 'you':3A,26
                                    'tag_tracknum'  247
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['piano', 'jazz', 'blues', 'jazz piano', 'swing']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560328.925702  (2021-05-09 13:38:48)
                             'size'  1977399