======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '113'
                                          'artist'  'Joe Bennett & The Sparkletones'
                                     'text_people'  ''
                                         'release'  'Treasured Tunes, Vol. 6'
                                           'title'  'Penny Loafers And Bobby Socks'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  '[\'rockabilly\', \'rock and roll\', \'50s\', "rock \'n roll"]'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '253'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '95.348'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'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')
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'PRIV:WM/WMCollectionID:ä\x8e¹µ\x8f^¿C\x85R\x9c½@5>I'  PRIV(owner='WM/WMCollectionID', data=b'\xe4\x8e\xb9\xb5\x8f^\xbfC\x85R\x9c\xbd@5>I')
'PRIV:WM/WMContentID:=\x8bÉ~\x83±ÊM\x8e$\x9d\x9crÞO·'  PRIV(owner='WM/WMContentID', data=b'=\x8b\xc9~\x83\xb1\xcaM\x8e$\x9d\x9cr\xdeO\xb7')
'TALB' (Album/Movie/Show title)                     'Treasured Tunes, Vol. 6'
'TBPM' (BPM (beats per minute))                     '95.348'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Penny Loafers And Bobby Socks'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '113533'
'TPE1' (Lead performer(s)/Soloist(s))               'Joe Bennett & The Sparkletones'
'TPUB' (Publisher)                                  'Stardust'
'TRCK' (Track number/Position in set)               '253'
'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'                                   ['rockabilly', 'rock and roll', '50s', "rock 'n roll"]
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.494236'

========================== row from database ==========================
                                              'id'  1448093
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-253 - Joe Bennett & The Sparkletones - Penny Loafers And Bobby Socks.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  113
                                           'genre'  prerock-unsorted
                                        'filesize'  4541832
                                           'mtime'  1621698330
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 253 prerock unsorted
                                      'tag_artist'  Joe Bennett & The Sparkletones
                                     'tag_release'  Treasured Tunes, Vol. 6
                                       'tag_title'  Penny Loafers And Bobby Socks
                                             'bpm'  95.348
                                    'search_title'  'and':3 'bobby':4 'loafers':2 'penny':1 'socks':5
                                   'search_artist'  'bennett':2 'joe':1 'sparkletones':4 'the':3
                                  'search_release'  '6':6 'treasured':1 'tunes':2,3 'vol':4,5
                                     'search_rest'  '00oldiepop':5 '1957':6 '253':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':20 '1957':21 '253':22 '6':15C 'and':3A 'bennett':7B 'bobby':4A 'country':19 'exotica':17 'jazz':16 'joe':6B 'loafers':2A 'oldies':18 'penny':1A 'prerock':23 'socks':5A 'sparkletones':9B 'the':8B 'treasured':10C 'tunes':11C,12C 'unsorted':24 'vol':13C,14C
                                    'tag_tracknum'  253
                                      'num_images'  0
                                             'key'  3A
                                           '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-1', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['rockabilly', 'rock and roll', '50s', "rock 'n roll"]
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698329.6277544  (2021-05-22 17:45:29)
                             'size'  4541832