======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '165'
                                          'artist'  'Pink Floyd'
                                     'text_people'  'Syd Barrett'
                                         'release'  'progsoup 15'
                                           'title'  'Candy and a Currant Bun [Mono Version]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '127.284'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'9\x00+\x009\x006\x00+\x003\x004\x001\x009\x00+\x006\x004\x008\x009\x00+\x009\x007\x008\x00D\x00+\x00C\x00D\x00F\x00E\x00+\x001\x001\x000\x001\x00A\x00+\x001\x006\x00C\x009\x00B\x00+\x001\x00A\x004\x009\x001\x00+\x001\x00D\x00B\x00F\x00A\x00+\x002\x003\x004\x00F\x007\x00\x00\x00')
'PRIV:AverageLevel:/\x17\x00\x00'                   PRIV(owner='AverageLevel', data=b'/\x17\x00\x00')
'PRIV:PeakValue:)\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b')\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')
'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\x001\x008\x004\x004\x009\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x007\x006\x006\x006\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x002\x002\x002\x008\x007\x008\x009\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x001\x008\x004\x004\x009\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x007\x006\x006\x006\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x002\x002\x002\x008\x007\x008\x009\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:zÏ\x8dæ\x04´&M\x99\x95»ÉóbÚo'  PRIV(owner='WM/WMCollectionGroupID', data=b'z\xcf\x8d\xe6\x04\xb4&M\x99\x95\xbb\xc9\xf3b\xdao')
'PRIV:WM/WMCollectionID:årÖä×u¤E\x91<Üåüqh\x04'     PRIV(owner='WM/WMCollectionID', data=b'\xe5r\xd6\xe4\xd7u\xa4E\x91<\xdc\xe5\xfcqh\x04')
'PRIV:WM/WMContentID:S³\x1c\xad#غL\x8a1] t¤dm'     PRIV(owner='WM/WMContentID', data=b'S\xb3\x1c\xad#\xd8\xbaL\x8a1] t\xa4dm')
'TALB' (Album/Movie/Show title)                     'progsoup 15'
'TBPM' (BPM (beats per minute))                     '127.284'
'TCOM' (Composer)                                   'Syd Barrett'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Candy and a Currant Bun [Mono Version]'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '165333'
'TPE1' (Lead performer(s)/Soloist(s))               'Pink Floyd'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Capitol'
'TRCK' (Track number/Position in set)               '2'
'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'                                   ['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.495640'

========================== row from database ==========================
                                              'id'  1414458
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 15/838 pink floyd - Candy and a Currant Bun.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  165
                                           'genre'  rock-cppex-progressive
                                        'filesize'  3965680
                                           'mtime'  1620736502
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 838 pink floyd rock cppex progressive
                                      'tag_artist'  Pink Floyd
                                     'tag_release'  progsoup 15
                                       'tag_title'  Candy and a Currant Bun [Mono Version]
                                             'bpm'  127.284
                                    'search_title'  'a':3 'and':2 'bun':5 'candy':1 'currant':4 'mono':6,7 'version':8,9
                                   'search_artist'  'floyd':2 'pink':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '838':3 'classicprogpsy':1 'cppex':7 'floyd':5 'pink':4 'progressive':8 'progsoup':2 'rock':6
                                    'search_combo'  '838':15 'a':3A 'and':2A 'bun':5A 'candy':1A 'classicprogpsy':13 'cppex':19 'currant':4A 'floyd':11B,17 'mono':6A,7A 'pink':10B,16 'progressive':20 'progsoup':12C,14 'rock':18 'version':8A,9A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['psychedelic rock', 'rock', 'progressive rock', 'psychedelic', 'classic rock']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736502.1408532  (2021-05-11 14:35:02)
                             'size'  3965680