======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '136'
                                          'artist'  'Sammy Turner'
                                     'text_people'  'E. Daniel/L. Morey'
                                         'release'  'Treasured Tunes, Vol. 4'
                                           'title'  'Lavender Blue'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', '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'  "['only you', 'rhythm and blues', '50s', 'oldies', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-easy'
                                             'bpm'  '85.489'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-036 POS 3'
'COMM:ID3v1 Comment:XXX'                            '59-036 POS 3'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x004\x00+\x009\x006\x00+\x003\x00F\x003\x001\x00+\x006\x007\x003\x004\x00+\x009\x000\x007\x004\x00+\x00B\x002\x008\x009\x00+\x00D\x006\x00D\x00A\x00+\x001\x000\x006\x00D\x00A\x00+\x001\x002\x00F\x005\x004\x00+\x001\x005\x009\x006\x009\x00+\x001\x007\x00C\x00E\x001\x00+\x001\x00A\x009\x00A\x00F\x00+\x001\x00C\x00F\x00A\x007\x00+\x001\x00F\x008\x00C\x009\x00+\x002\x002\x005\x005\x003\x00+\x002\x005\x004\x00A\x009\x00+\x002\x008\x009\x001\x002\x00+\x002\x00C\x005\x006\x007\x00+\x002\x00F\x005\x00D\x007\x00+\x003\x003\x001\x00B\x00C\x00+\x003\x006\x00E\x00D\x009\x00+\x003\x00A\x00E\x00C\x008\x00\x00\x00')
'PRIV:AverageLevel:½\x14\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xbd\x14\x00\x00')
'PRIV:PeakValue:æ}\x00\x00'                         PRIV(owner='PeakValue', data=b'\xe6}\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 \x003\x000\x005\x001\x005\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x005\x000\x000\x005\x002\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x003\x000\x005\x001\x005\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x005\x000\x000\x005\x002\x002\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:'öd~\x97æ$@®÷];Å\x1bN`"  PRIV(owner='WM/WMCollectionGroupID', data=b"'\xf6d~\x97\xe6$@\xae\xf7];\xc5\x1bN`")
"PRIV:WM/WMCollectionID:'öd~\x97æ$@®÷];Å\x1bN`"     PRIV(owner='WM/WMCollectionID', data=b"'\xf6d~\x97\xe6$@\xae\xf7];\xc5\x1bN`")
'PRIV:WM/WMContentID:Ö\x92c\x97yx\x9bG\x9c\x1eop\x84\x93\x8b\x89'  PRIV(owner='WM/WMContentID', data=b'\xd6\x92c\x97yx\x9bG\x9c\x1eop\x84\x93\x8b\x89')
'TALB' (Album/Movie/Show title)                     'Treasured Tunes, Vol. 4'
'TBPM' (BPM (beats per minute))                     '85.489'
'TCOM' (Composer)                                   'E. Daniel/L. Morey'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-easy'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Lavender Blue'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '136573'
'TPE1' (Lead performer(s)/Soloist(s))               'Sammy Turner'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Stardust'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['only you', 'rhythm and blues', '50s', 'oldies', 'soul']
'TXXX:q-bass'                                       '4'
'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'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.582312'

========================== row from database ==========================
                                              'id'  1446365
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-036 - Sammy Turner - Lavender Blue.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  136
                                           'genre'  prerock-vocal-easy
                                        'filesize'  5464410
                                           'mtime'  1621625788
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 036 prerock vocal easy
                                      'tag_artist'  Sammy Turner
                                     'tag_release'  Treasured Tunes, Vol. 4
                                       'tag_title'  Lavender Blue
                                             'bpm'  85.489
                                    'search_title'  'blue':2 'lavender':1
                                   'search_artist'  'sammy':1 'turner':2
                                  'search_release'  '4':6 'treasured':1 'tunes':2,3 'vol':4,5
                                     'search_rest'  '00oldiepop':5 '1959':6 '59':7 'country':4 'easy':10 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':15 '1959':16 '4':10C '59':17 'blue':2A 'country':14 'easy':20 'exotica':12 'jazz':11 'lavender':1A 'oldies':13 'prerock':18 'sammy':3B 'treasured':5C 'tunes':6C,7C 'turner':4B 'vocal':19 'vol':8C,9C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['only you', 'rhythm and blues', '50s', 'oldies', 'soul']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625787.571044  (2021-05-21 21:36:27)
                             'size'  5464410