======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '256'
                                          'artist'  'Deerhoof'
                                     'text_people'  ''
                                         'release'  'Milk Man'
                                           'title'  'Rainbow Silhouette of the Milky Rain'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'noise', 'indie rock', 'experimental', 'noise rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '113.2'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'B\x00+\x009\x006\x00+\x004\x00D\x00D\x007\x00+\x008\x002\x000\x002\x00+\x00C\x00A\x007\x005\x00+\x001\x001\x005\x008\x009\x00+\x001\x002\x00B\x000\x00C\x00+\x001\x007\x001\x007\x00F\x00+\x001\x00B\x000\x00D\x009\x00+\x001\x00D\x009\x00D\x006\x00+\x002\x000\x004\x008\x004\x00+\x002\x002\x008\x005\x005\x00+\x002\x004\x00F\x00D\x009\x00\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 \x006\x008\x000\x005\x009\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x007\x006\x004\x009\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x008\x008\x001\x009\x007\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x008\x000\x005\x009\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x007\x006\x004\x009\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x008\x008\x001\x009\x007\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ó®vc^á\x9bH\x9e~}\x07ë\x9fáZ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xf3\xaevc^\xe1\x9bH\x9e~}\x07\xeb\x9f\xe1Z')
'PRIV:WM/WMCollectionID:ó®vc^á\x9bH\x9e~}\x07ë\x9fáZ'  PRIV(owner='WM/WMCollectionID', data=b'\xf3\xaevc^\xe1\x9bH\x9e~}\x07\xeb\x9f\xe1Z')
'PRIV:WM/WMContentID:à=Òí\x8fÇòI\x93¸\x96 \x1bS§x'  PRIV(owner='WM/WMContentID', data=b'\xe0=\xd2\xed\x8f\xc7\xf2I\x93\xb8\x96 \x1bS\xa7x')
'TALB' (Album/Movie/Show title)                     'Milk Man'
'TBPM' (BPM (beats per minute))                     '113.2'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Rainbow Silhouette of the Milky Rain'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '256266'
'TPE1' (Lead performer(s)/Soloist(s))               'Deerhoof'
'TPE2' (Band/orchestra/accompaniment)               'Deerhoof'
'TPUB' (Publisher)                                  'Kill Rock Stars'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'noise', 'indie rock', 'experimental', 'noise rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.426150'

========================== row from database ==========================
                                              'id'  1246115
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Deerhoof/Milk Man/04-rainbow silhouette of the milky rain.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  256
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  6164020
                                           'mtime'  1636917150
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 04 rainbow silhouette milky rain ifs songwriter indie unsorted
                                      'tag_artist'  Deerhoof
                                     'tag_release'  Milk Man
                                       'tag_title'  Rainbow Silhouette of the Milky Rain
                                             'bpm'  113.2
                                    'search_title'  'milky':5 'of':3 'rain':6 'rainbow':1 'silhouette':2 'the':4
                                   'search_artist'  'deerhoof':1
                                  'search_release'  'man':2 'milk':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':8 'indie':9 'milky':6 'rain':7 'rainbow':4 'silhouette':5 'songwriter':2 'unsorted':10
                                    'search_combo'  '00singer':10 'deerhoof':7B 'eos':12 'ifs':17 'indie':18 'man':9C 'milk':8C 'milky':5A,15 'of':3A 'rain':6A,16 'rainbow':1A,13 'silhouette':2A,14 'songwriter':11 'the':4A 'unsorted':19
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'noise', 'indie rock', 'experimental', 'noise rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917150.002241  (2021-11-14 20:12:30)
                             'size'  6164020