======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '194'
                                          'artist'  'Paul McCartney & Wings'
                                     'text_people'  'Linda McCartney/Paul McCartney'
                                         'release'  'Progsoup 30'
                                           'title'  'Live And Let Die (From Live And Let Die)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'rock', 'british', '70s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '51'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '120.256'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:÷S\x9f\x14(nÉE¸â¦\xad¢2\x9cÜ'  PRIV(owner='WM/WMCollectionID', data=b'\xf7S\x9f\x14(n\xc9E\xb8\xe2\xa6\xad\xa22\x9c\xdc')
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'TALB' (Album/Movie/Show title)                     'Progsoup 30'
'TBPM' (BPM (beats per minute))                     '120.256'
'TCOM' (Composer)                                   'Linda McCartney/Paul McCartney'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Live And Let Die (From Live And Let Die)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul McCartney & Wings'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'EMI'
'TRCK' (Track number/Position in set)               '51'
'TXXX:CT_GAPLESS_DATA'                              '0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['pop', 'rock', 'british', '70s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.33 dB'
'TXXX:replaygain_track_peak'                        '0.584949'

========================== row from database ==========================
                                              'id'  1414572
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 30 (hitsoup)/1717 Paul McCartney & Wings - Live & Let Die.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  194
                                           'genre'  rock-cppex-progressive
                                        'filesize'  4677425
                                           'mtime'  1620737107
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (hitsoup) 1717 rock cppex progressive
                                      'tag_artist'  Paul McCartney & Wings
                                     'tag_release'  Progsoup 30
                                       'tag_title'  Live And Let Die (From Live And Let Die)
                                             'bpm'  120.256
                                    'search_title'  'and':2 'die':4,7 'from':5,6 'let':3 'live':1
                                   'search_artist'  'cartney':5 'mc':4 'mccartney':2 'paul':1 'wings':3
                                  'search_release'  '30':2 'progsoup':1
                                     'search_rest'  '1717':5 'classicprogpsy':1 'cppex':7 'hitsoup':3,4 'progressive':8 'progsoup':2 'rock':6
                                    'search_combo'  '1717':19 '30':14C 'and':2A 'cartney':12B 'classicprogpsy':15 'cppex':21 'die':4A,7A 'from':5A,6A 'hitsoup':17,18 'let':3A 'live':1A 'mc':11B 'mccartney':9B 'paul':8B 'progressive':22 'progsoup':13C,16 'rock':20 'wings':10B
                                    'tag_tracknum'  51
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'rock', 'british', '70s', 'classic rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737106.5915468  (2021-05-11 14:45:06)
                             'size'  4677425