======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '194'
                                          'artist'  'Grace Moore'
                                     'text_people'  'Gus Kahn/Victor Schertzinger'
                                         'release'  'From Cd - Orig. Brunswick 6994'
                                           'title'  'One Night Of Love'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', '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-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['opera', 'out of our heads', '30s', 'female vocalists', 'the vitamin b12']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '010'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '139.178'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1934 and peaked at #1 on Various Charts.\r\n'
 'Source: Pop Memories 1890-1954 (1986 Edition).\r\n'
 'Label/Number: Brunswick 6994.\r\n'
 '\r\n'
 'unfeat. o/Wilfred Pelletier')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #'
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'TALB' (Album/Movie/Show title)                     'From Cd - Orig. Brunswick 6994'
'TBPM' (BPM (beats per minute))                     '139.178'
'TCOM' (Composer)                                   'Gus Kahn/Victor Schertzinger'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'One Night Of Love'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Grace Moore'
'TPE2' (Band/orchestra/accompaniment)               'Grace Moore'
'TPUB' (Publisher)                                  'Asv/Living Era'
'TRCK' (Track number/Position in set)               '010'
'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'                                   ['opera', 'out of our heads', '30s', 'female vocalists', 'the vitamin b12']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+8.98 dB'
'TXXX:replaygain_track_peak'                        '0.220435'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1934_010')

========================== row from database ==========================
                                              'id'  674873
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/086 grace moore - one night of love.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  194
                                           'genre'  prerock-unsorted
                                        'filesize'  1947852
                                           'mtime'  1621697969
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 086 grace moore one night of love prerock unsorted
                                      'tag_artist'  Grace Moore
                                     'tag_release'  From Cd - Orig. Brunswick 6994
                                       'tag_title'  One Night Of Love
                                             'bpm'  139.178
                                    'search_title'  'love':4 'night':2 'of':3 'one':1
                                   'search_artist'  'grace':1 'moore':2
                                  'search_release'  '6994':6 'brunswick':5 'cd':2 'from':1 'orig':3,4
                                     'search_rest'  '00oldiepop':5 '1934':6 'country':4 'exotica':2 'grace':7 'jazz':1 'love':12 'moore':8 'night':10 'of':11 'oldies':3 'one':9 'prerock':13 'unsorted':14
                                    'search_combo'  '00oldiepop':17 '1934':18 '6994':12C 'brunswick':11C 'cd':8C 'country':16 'exotica':14 'from':7C 'grace':5B,19 'jazz':13 'love':4A,24 'moore':6B,20 'night':2A,22 'of':3A,23 'oldies':15 'one':1A,21 'orig':9C,10C 'prerock':25 'unsorted':26
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10A
                                           '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-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['opera', 'out of our heads', '30s', 'female vocalists', 'the vitamin b12']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697968.8455734  (2021-05-22 17:39:28)
                             'size'  1947852