======================== unified (from filesystem) ========================
                                         'bitrate'  '194.773'
                                        'duration'  '426'
                                          'artist'  'Porcupine Tree'
                                     'text_people'  'Gavin Harrison/Steven Wilson'
                                         'release'  'Nil Recurring CDEP'
                                           'title'  'Cheating the Polygraph'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['rock', 'progressive rock', 'progressive metal', 'psychedelic', "
 "'progressive']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '89.6'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'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 \x001\x003\x001\x001\x006\x000\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x008\x002\x004\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x008\x005\x008\x000\x006\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x003\x001\x001\x006\x000\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x008\x002\x004\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x008\x005\x008\x000\x006\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:¬\xa0íC\x9dØuI°5õÕqÜÊ\x1a'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xac\xa0\xedC\x9d\xd8uI\xb05\xf5\xd5q\xdc\xca\x1a')
'PRIV:WM/WMCollectionID:¬\xa0íC\x9dØuI°5õÕqÜÊ\x1a'  PRIV(owner='WM/WMCollectionID', data=b'\xac\xa0\xedC\x9d\xd8uI\xb05\xf5\xd5q\xdc\xca\x1a')
'PRIV:WM/WMContentID:D\x92\x9fK\x01ZÒL\x9fݨÌÛ-;L'  PRIV(owner='WM/WMContentID', data=b'D\x92\x9fK\x01Z\xd2L\x9f\xdd\xa8\xcc\xdb-;L')
'TALB' (Album/Movie/Show title)                     'Nil Recurring CDEP'
'TBPM' (BPM (beats per minute))                     '89.6'
'TCOM' (Composer)                                   'Gavin Harrison/Steven Wilson'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'rock-cppex', 'rock-cppex-psychedelic']
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'Buy The Original CD/Vinyl, Support The Artists!'
'TIT2' (Title/songname/content description)         'Cheating the Polygraph'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Porcupine Tree'
'TPE2' (Band/orchestra/accompaniment)               'Porcupine Tree'
'TPUB' (Publisher)                                  'Peaceville'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'progressive rock', 'progressive metal', 'psychedelic', 'progressive']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.537641'

========================== row from database ==========================
                                              'id'  1415114
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Porcupine Tree/Nil Recurring CDEP/03-porcupine_tree-cheating_the_polygraph.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  426
                                           'genre'  rock-cppex-progressive;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  10387088
                                           'mtime'  1636038661
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 03 porcupine_tree cheating_the_polygraph rock cppex progressive;rock cppex;rock cppex psychedelic
                                      'tag_artist'  Porcupine Tree
                                     'tag_release'  Nil Recurring CDEP
                                       'tag_title'  Cheating the Polygraph
                                             'bpm'  89.6
                                    'search_title'  'cheating':1 'polygraph':3 'the':2
                                   'search_artist'  'porcupine':1 'tree':2
                                  'search_release'  'cdep':3 'nil':1 'recurring':2
                                     'search_rest'  'cheating':4 'classicprogpsy':1 'cppex':8,13,15 'polygraph':6 'porcupine':2 'progressive':9,11 'psychedelic':17 'rock':7,10,12,14,16 'the':5 'tree':3
                                    'search_combo'  'cdep':8C 'cheating':1A,12 'classicprogpsy':9 'cppex':16,21,23 'nil':6C 'polygraph':3A,14 'porcupine':4B,10 'progressive':17,19 'psychedelic':25 'recurring':7C 'rock':15,18,20,22,24 'the':2A,13 'tree':5B,11
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'progressive rock', 'progressive metal', 'psychedelic', 'progressive']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636038661.4589083  (2021-11-04 16:11:01)
                             'size'  10387088