======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '438'
                                          'artist'  'Bongzilla'
                                     'text_people'  ''
                                         'release'  'Gateway'
                                           'title'  'Gateway'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['sludge', 'stoner', 'stoner metal', 'doom metal', 'stoner rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  '3.5'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-stoner'
                                             'bpm'  '134.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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\x000\x005\x006\x008\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x008\x009\x005\x005\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x007\x005\x002\x003\x008\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x000\x005\x006\x008\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x008\x009\x005\x005\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x007\x005\x002\x003\x008\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:j\x90NñÐò\xadM\x82\x1a>×üZ\tI'  PRIV(owner='WM/WMCollectionGroupID', data=b'j\x90N\xf1\xd0\xf2\xadM\x82\x1a>\xd7\xfcZ\tI')
'PRIV:WM/WMCollectionID:j\x90NñÐò\xadM\x82\x1a>×üZ\tI'  PRIV(owner='WM/WMCollectionID', data=b'j\x90N\xf1\xd0\xf2\xadM\x82\x1a>\xd7\xfcZ\tI')
'PRIV:WM/WMContentID:íH\x97\x80"¯¯O¤m;À£¹ÚÓ'        PRIV(owner='WM/WMContentID', data=b'\xedH\x97\x80"\xaf\xafO\xa4m;\xc0\xa3\xb9\xda\xd3')
'TALB' (Album/Movie/Show title)                     'Gateway'
'TBPM' (BPM (beats per minute))                     '134.9'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-stoner'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Gateway'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bongzilla'
'TRCK' (Track number/Position in set)               '06/3.5'
'TXXX:Q-HAP'                                        '1'
'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'                                   ['sludge', 'stoner', 'stoner metal', 'doom metal', 'stoner rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.54 dB'
'TXXX:replaygain_track_peak'                        '0.360375'

========================== row from database ==========================
                                              'id'  1400362
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Bongzilla - 2002 - Gateway/06 Gateway.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  438
                                           'genre'  eid-metal-stoner
                                        'filesize'  17632117
                                           'mtime'  1620311490
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2002 06 eid metal stoner
                                      'tag_artist'  Bongzilla
                                     'tag_release'  Gateway
                                       'tag_title'  Gateway
                                             'bpm'  134.9
                                    'search_title'  'gateway':1
                                   'search_artist'  'bongzilla':1
                                  'search_release'  'gateway':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2002':3 'eid':4 'metal':5 'stoner':6
                                    'search_combo'  '00dwimp':4 '00metal':5 '2002':6 'bongzilla':2B 'eid':7 'gateway':1A,3C 'metal':8 'stoner':9
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['sludge', 'stoner', 'stoner metal', 'doom metal', 'stoner rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311490.081862  (2021-05-06 16:31:30)
                             'size'  17632117