======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '146'
                                          'artist'  'The Heartbeats'
                                     'text_people'  ''
                                         'release'  'The Doo Wop Box Disc 2'
                                           'title'  'A Thousand Miles Away'
                                           '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-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['doo wop', 'oldies', '50s', 'rhythm and blues', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '286'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '123.032'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'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:ºy\x1aÏ\x0c½àA°©§â\x1f¤bz'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xbay\x1a\xcf\x0c\xbd\xe0A\xb0\xa9\xa7\xe2\x1f\xa4bz')
'PRIV:WM/WMCollectionID:éØ\x80\x8dΰaC§¤µ\x01Gw¹ü'  PRIV(owner='WM/WMCollectionID', data=b'\xe9\xd8\x80\x8d\xce\xb0aC\xa7\xa4\xb5\x01Gw\xb9\xfc')
'PRIV:WM/WMContentID:TK+6¥©`C\x98ëýͯC9h'           PRIV(owner='WM/WMContentID', data=b'TK+6\xa5\xa9`C\x98\xeb\xfd\xcd\xafC9h')
'TALB' (Album/Movie/Show title)                     'The Doo Wop Box Disc 2'
'TBPM' (BPM (beats per minute))                     '123.032'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'A Thousand Miles Away'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '146173'
'TPE1' (Lead performer(s)/Soloist(s))               'The Heartbeats'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '286'
'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'                                   ['doo wop', 'oldies', '50s', 'rhythm and blues', 'classic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.38 dB'
'TXXX:replaygain_track_peak'                        '0.561478'

========================== row from database ==========================
                                              'id'  1447364
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-286 - The Heartbeats - A Thousand Miles Away.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  146
                                           'genre'  prerock-unsorted
                                        'filesize'  5845788
                                           'mtime'  1621698335
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 286 prerock unsorted
                                      'tag_artist'  The Heartbeats
                                     'tag_release'  The Doo Wop Box Disc 2
                                       'tag_title'  A Thousand Miles Away
                                             'bpm'  123.032
                                    'search_title'  'a':1 'away':4 'miles':3 'thousand':2
                                   'search_artist'  'heartbeats':2 'the':1
                                  'search_release'  '2':6 'box':4 'disc':5 'doo':2 'the':1 'wop':3
                                     'search_rest'  '00oldiepop':5 '1957':6 '286':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':17 '1957':18 '2':12C '286':19 'a':1A 'away':4A 'box':10C 'country':16 'disc':11C 'doo':8C 'exotica':14 'heartbeats':6B 'jazz':13 'miles':3A 'oldies':15 'prerock':20 'the':5B,7C 'thousand':2A 'unsorted':21 'wop':9C
                                    'tag_tracknum'  286
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['doo wop', 'oldies', '50s', 'rhythm and blues', 'classic rock']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698334.5860846  (2021-05-22 17:45:34)
                             'size'  5845788