======================== unified (from filesystem) ========================
                                         'bitrate'  '206.071'
                                        'duration'  '305'
                                          'artist'  'SUNN 0）））'
                                     'text_people'  ''
                                         'release'  'Altar'
                                           'title'  'The Sinking Belle (Black Sheep)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-drone'
                                             'bpm'  '145.4'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
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'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:C\x00D\x00J\x00o\x00u\x00r\x00n\x00a\x00l\x00 \x00J\x00a\x00p\x00a\x00n\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'C\x00D\x00J\x00o\x00u\x00r\x00n\x00a\x00l\x00 \x00J\x00a\x00p\x00a\x00n\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:û·FÕ:¥SK´Å\x15?evbÅ'   PRIV(owner='WM/WMCollectionGroupID', data=b'\xfb\xb7F\xd5:\xa5SK\xb4\xc5\x15?evb\xc5')
'PRIV:WM/WMCollectionID:û·FÕ:¥SK´Å\x15?evbÅ'        PRIV(owner='WM/WMCollectionID', data=b'\xfb\xb7F\xd5:\xa5SK\xb4\xc5\x15?evb\xc5')
'PRIV:WM/WMContentID:ó\x9b\x88ã\xad\x83ðF£\x8b\x8aÝt\x88Wt'  PRIV(owner='WM/WMContentID', data=b'\xf3\x9b\x88\xe3\xad\x83\xf0F\xa3\x8b\x8a\xddt\x88Wt')
'TALB' (Album/Movie/Show title)                     'Altar'
'TBPM' (BPM (beats per minute))                     '145.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-drone'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'The Sinking Belle (Black Sheep)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sunn O))) & Boris'
'TPE2' (Band/orchestra/accompaniment)               'SUNN 0）））'
'TPUB' (Publisher)                                  'ＩＮＯＸＩＡ\u3000Ｒｅｃｏｒｄｓ'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.62 dB'
'TXXX:replaygain_track_peak'                        '0.590279'

========================== row from database ==========================
                                              'id'  1113157
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/sunn o))) - the iron soul of nothing/07 the sinking belle (black sheep).mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  305
                                           'genre'  electronic-drone
                                        'filesize'  7982635
                                           'mtime'  1636912183
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm sunn o))) the iron soul of nothing 07 the sinking belle (black sheep) electronic drone
                                      'tag_artist'  SUNN 0）））
                                     'tag_release'  Altar
                                       'tag_title'  The Sinking Belle (Black Sheep)
                                             'bpm'  145.4
                                    'search_title'  'belle':3 'black':4,5 'sheep':6,7 'sinking':2 'the':1
                                   'search_artist'  '0':2,3,4 'sunn':1
                                  'search_release'  'altar':1
                                     'search_rest'  'belle':10 'black':11,12 'drone':16 'electronic':15 'iron':5 'nothing':8 'o':2,3 'of':7 'sheep':13,14 'sinking':9 'soul':6 'sunn':1 'the':4
                                    'search_combo'  '0':9B,10B,11B 'altar':12C 'belle':3A,22 'black':4A,5A,23,24 'drone':28 'electronic':27 'iron':17 'nothing':20 'o':14,15 'of':19 'sheep':6A,7A,25,26 'sinking':2A,21 'soul':18 'sunn':8B,13 'the':1A,16
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  []
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912182.5665524  (2021-11-14 18:49:42)
                             'size'  7982635