======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '182'
                                          'artist'  'Roy Hamilton'
                                     'text_people'  ''
                                         'release'  'For the Record Disc 1'
                                           'title'  'Unchained Melody'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'rock and roll', 'soul', 'northern soul', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '049'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-soul'
                                             'bpm'  '139.083'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:;U\x00\x00'                         PRIV(owner='PeakValue', data=b';U\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:h\x85V÷v~»G\x82ÕwÁx\x17¸`'  PRIV(owner='WM/WMCollectionGroupID', data=b'h\x85V\xf7v~\xbbG\x82\xd5w\xc1x\x17\xb8`')
'PRIV:WM/WMCollectionID:h\x85V÷v~»G\x82ÕwÁx\x17¸`'  PRIV(owner='WM/WMCollectionID', data=b'h\x85V\xf7v~\xbbG\x82\xd5w\xc1x\x17\xb8`')
'PRIV:WM/WMContentID:à+\x1f\x01±á-F\x949\n&\x1fØ_f'  PRIV(owner='WM/WMContentID', data=b'\xe0+\x1f\x01\xb1\xe1-F\x949\n&\x1f\xd8_f')
'TALB' (Album/Movie/Show title)                     'For the Record Disc 1'
'TBPM' (BPM (beats per minute))                     '139.083'
'TCON' (Content type, a.k.a. Genre)                 'prerock-soul'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Unchained Melody'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '182506'
'TPE1' (Lead performer(s)/Soloist(s))               'Roy Hamilton'
'TPUB' (Publisher)                                  'RCA'
'TRCK' (Track number/Position in set)               '049'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'rock and roll', 'soul', 'northern soul', '7soul']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.47 dB'
'TXXX:replaygain_track_peak'                        '0.470168'

========================== row from database ==========================
                                              'id'  1439872
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-049 - Roy Hamilton - Unchained Melody.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  182
                                           'genre'  prerock-soul
                                        'filesize'  7291587
                                           'mtime'  1642095539
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 049 prerock soul
                                      'tag_artist'  Roy Hamilton
                                     'tag_release'  For the Record Disc 1
                                       'tag_title'  Unchained Melody
                                             'bpm'  139.083
                                    'search_title'  'melody':2 'unchained':1
                                   'search_artist'  'hamilton':2 'roy':1
                                  'search_release'  '1':5 'disc':4 'for':1 'record':3 'the':2
                                     'search_rest'  '00oldiepop':5 '1955':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'soul':8
                                    'search_combo'  '00oldiepop':14 '1':9C '1955':15 'country':13 'disc':8C 'exotica':11 'for':5C 'hamilton':4B 'jazz':10 'melody':2A 'oldies':12 'prerock':16 'record':7C 'roy':3B 'soul':17 'the':6C 'unchained':1A
                                    'tag_tracknum'  49
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['oldies', 'rock and roll', 'soul', 'northern soul', '7soul']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642095539.1489463  (2022-01-13 18:38:59)
                             'size'  7291587