======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '328'
                                          'artist'  "Old Man's Child"
                                     'text_people'  ''
                                         'release'  'The Pagan Prosperity'
                                           'title'  'The Millennium King'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['melodic black metal', 'symphonic black metal', 'black metal', 'metal', "
 "'norwegian']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '112.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:4$\x00\x00'                      PRIV(owner='AverageLevel', data=b'4$\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\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')
'TALB' (Album/Movie/Show title)                     'The Pagan Prosperity'
'TBPM' (BPM (beats per minute))                     '112.2'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'The Millennium King'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               "Old Man's Child"
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['black metal', 'rock']
'TXXX:lastfmtags'                                   ['melodic black metal',
 'symphonic black metal',
 'black metal',
 'metal',
 'norwegian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.01 dB'
'TXXX:replaygain_track_peak'                        '0.387053'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N77S7319167V48C4CB16660D1164C52072D87792832763P0\x00')

========================== row from database ==========================
                                              'id'  1533939
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Old Man_s Child/The pagan prosperity [1997]/Old Mans Child - 01 - The Millenium King.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  328
                                           'genre'  eid-metal-black
                                        'filesize'  7886442
                                           'mtime'  1620301760
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Man_s pagan prosperity [1997] Mans 01 Millenium eid metal black
                                      'tag_artist'  Old Man's Child
                                     'tag_release'  The Pagan Prosperity
                                       'tag_title'  The Millennium King
                                             'bpm'  112.2
                                    'search_title'  'king':3 'millennium':2 'the':1
                                   'search_artist'  'child':5 'man':2 'mans':4 'old':1 's':3
                                  'search_release'  'pagan':2 'prosperity':3 'the':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '1997':7,8 'black':13 'eid':11 'man':3 'mans':9 'metal':12 'millenium':10 'pagan':5 'prosperity':6 's':4
                                    'search_combo'  '00dwimp':12 '00metal':13 '1997':18,19 'black':24 'child':8B 'eid':22 'king':3A 'man':5B,14 'mans':7B,20 'metal':23 'millenium':21 'millennium':2A 'old':4B 'pagan':10C,16 'prosperity':11C,17 's':6B,15 'the':1A,9C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['melodic black metal', 'symphonic black metal', 'black metal', 'metal', 'norwegian']
                                        'tag_date'  1997
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301759.9285777  (2021-05-06 13:49:19)
                             'size'  7886442