======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '159'
                                          'artist'  'Nervous Norvus'
                                     'text_people'  ''
                                         'release'  'Your Hit Parade: Golden Goofers'
                                           'title'  'Ape Call'
                                           '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-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['comedy', 'novelty', 'rockabilly', 'dr. demento']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '187'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '95.935'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x008\x00+\x009\x006\x00+\x003\x000\x00A\x00A\x00+\x006\x002\x007\x008\x00+\x009\x006\x00C\x00D\x00+\x00C\x000\x003\x00D\x00+\x00F\x000\x00C\x00B\x00+\x001\x001\x009\x00D\x001\x00+\x001\x004\x00E\x008\x003\x00+\x001\x008\x008\x007\x00B\x00+\x001\x00B\x004\x003\x004\x00+\x001\x00E\x000\x009\x009\x00+\x002\x001\x000\x009\x003\x00+\x002\x003\x005\x00D\x00F\x00+\x002\x006\x004\x00A\x003\x00+\x002\x009\x004\x00F\x003\x00+\x002\x00C\x003\x009\x00E\x00+\x002\x00F\x006\x007\x003\x00+\x003\x001\x00F\x009\x000\x00+\x003\x005\x00A\x005\x00C\x00+\x003\x008\x006\x00D\x000\x00+\x003\x00A\x00F\x000\x00A\x00+\x003\x00D\x00D\x008\x00B\x00+\x004\x000\x00A\x00E\x002\x00+\x004\x003\x00D\x00C\x008\x00+\x004\x005\x00E\x007\x005\x00\x00\x00')
'PRIV:AverageLevel:G\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'G\x10\x00\x00')
'PRIV:PeakValue:Fs\x00\x00'                         PRIV(owner='PeakValue', data=b'Fs\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')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x001\x002\x003\x002\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x005\x004\x006\x006\x009\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x001\x002\x003\x002\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x005\x004\x006\x006\x009\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:d\x99ü9½|eA\x83\x88!ZÚ0ÛÓ'  PRIV(owner='WM/WMCollectionGroupID', data=b'd\x99\xfc9\xbd|eA\x83\x88!Z\xda0\xdb\xd3')
'PRIV:WM/WMCollectionID:d\x99ü9½|eA\x83\x88!ZÚ0ÛÓ'  PRIV(owner='WM/WMCollectionID', data=b'd\x99\xfc9\xbd|eA\x83\x88!Z\xda0\xdb\xd3')
'PRIV:WM/WMContentID:çÕz\x92\x97\x89\x8eG\x96Y\x7f"å\x17D]'  PRIV(owner='WM/WMContentID', data=b'\xe7\xd5z\x92\x97\x89\x8eG\x96Y\x7f"\xe5\x17D]')
'TALB' (Album/Movie/Show title)                     'Your Hit Parade: Golden Goofers'
'TBPM' (BPM (beats per minute))                     '95.935'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'Ape Call'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '159293'
'TPE1' (Lead performer(s)/Soloist(s))               'Nervous Norvus'
'TPUB' (Publisher)                                  'Time-Life'
'TRCK' (Track number/Position in set)               '187'
'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'                                   ['comedy', 'novelty', 'rockabilly', 'dr. demento']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+2.63 dB'
'TXXX:replaygain_track_peak'                        '0.447344'

========================== row from database ==========================
                                              'id'  1433844
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-187 - Nervous Norvus - Ape Call.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  159
                                           'genre'  prerock-unsorted
                                        'filesize'  6373376
                                           'mtime'  1621698263
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 187 prerock unsorted
                                      'tag_artist'  Nervous Norvus
                                     'tag_release'  Your Hit Parade: Golden Goofers
                                       'tag_title'  Ape Call
                                             'bpm'  95.935
                                    'search_title'  'ape':1 'call':2
                                   'search_artist'  'nervous':1 'norvus':2
                                  'search_release'  'golden':5 'goofers':6 'hit':2 'parade':3,4 'your':1
                                     'search_rest'  '00oldiepop':5 '187':7 '1956':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':15 '187':17 '1956':16 'ape':1A 'call':2A 'country':14 'exotica':12 'golden':9C 'goofers':10C 'hit':6C 'jazz':11 'nervous':3B 'norvus':4B 'oldies':13 'parade':7C,8C 'prerock':18 'unsorted':19 'your':5C
                                    'tag_tracknum'  187
                                      'num_images'  0
                                             'key'  8A
                                           '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-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['comedy', 'novelty', 'rockabilly', 'dr. demento']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698262.8219984  (2021-05-22 17:44:22)
                             'size'  6373376