======================== unified (from filesystem) ========================
                                         'bitrate'  '249.775'
                                        'duration'  '337'
                                          'artist'  'King Crimson'
                                     'text_people'  'Peter Sinfield/Robert Fripp'
                                         'release'  'progsoup 17'
                                           'title'  'Indoor Games'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'progressive rock', 'progressive', 'experimental', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '114.285'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000268 0000026A 00005536'
'COMM:iTunNORM:eng'                                 (' 00000268 0000026A 00005536 000050E2 0004D817 0004D817 00008000 00008000 '
 '0004D817 0004D817')
'PRIV:AverageLevel:²\n\x00\x00'                     PRIV(owner='AverageLevel', data=b'\xb2\n\x00\x00')
'PRIV:PeakValue:am\x00\x00'                         PRIV(owner='PeakValue', data=b'am\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 \x00 \x001\x000\x009\x000\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x006\x008\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x005\x003\x006\x005\x009\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x001\x000\x009\x000\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x006\x008\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x005\x003\x006\x005\x009\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x07\x8cwHÁJ\x9fH\x99÷FW\x89\xadÅ/'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x07\x8cwH\xc1J\x9fH\x99\xf7FW\x89\xad\xc5/')
'PRIV:WM/WMCollectionID:\x07\x8cwHÁJ\x9fH\x99÷FW\x89\xadÅ/'  PRIV(owner='WM/WMCollectionID', data=b'\x07\x8cwH\xc1J\x9fH\x99\xf7FW\x89\xad\xc5/')
'PRIV:WM/WMContentID:Si^)>Ñ2K¥Ó\x87\x9f«\x06!Ð'     PRIV(owner='WM/WMContentID', data=b'Si^)>\xd12K\xa5\xd3\x87\x9f\xab\x06!\xd0')
'TALB' (Album/Movie/Show title)                     'progsoup 17'
'TBPM' (BPM (beats per minute))                     '114.285'
'TCOM' (Composer)                                   'Peter Sinfield/Robert Fripp'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Indoor Games'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'King Crimson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '25'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['rock', 'progressive rock', 'progressive', 'experimental', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.854547'

========================== row from database ==========================
                                              'id'  1410554
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 17/972 king crimson  - indoor games.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  337
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  10627502
                                           'mtime'  1620736658
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 972 king crimson indoor games rock cppex progressive;set pl progspace
                                      'tag_artist'  King Crimson
                                     'tag_release'  progsoup 17
                                       'tag_title'  Indoor Games
                                             'bpm'  114.285
                                    'search_title'  'games':2 'indoor':1
                                   'search_artist'  'crimson':2 'king':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '972':3 'classicprogpsy':1 'cppex':9 'crimson':5 'games':7 'indoor':6 'king':4 'pl':14 'progressive':10,12 'progsoup':2 'progspace':15 'rock':8 'set':11,13
                                    'search_combo'  '972':8 'classicprogpsy':6 'cppex':14 'crimson':4B,10 'games':2A,12 'indoor':1A,11 'king':3B,9 'pl':19 'progressive':15,17 'progsoup':5C,7 'progspace':20 'rock':13 'set':16,18
                                    'tag_tracknum'  25
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'progressive rock', 'progressive', 'experimental', 'classic rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736658.0192463  (2021-05-11 14:37:38)
                             'size'  10627502