======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '409'
                                          'artist'  'Puscifer'
                                     'text_people'  ''
                                         'release'  'D is for Dubby'
                                           'title'  'Sour Dub'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'industrial', 'progressive rock', 'rock', 'industrial rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  '09'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '88.207'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['0',
 '000001A0 00000191 00001F5E 00001B05 0005A105 0005CB29 000083AB 00008762 '
 '0005A0EB 0005B60A']
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:ID3v1 Comment:eng'                            '0'
'PRIV:\x01ÿþ:'                                      PRIV(owner='\x01ÿþ', data=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:ZuneAlbumArtistMediaID:\x00\x0bi6\x00\x06Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumArtistMediaID', data=b'\x00\x0bi6\x00\x06\xdb\x11\x89\xca\x00\x19\xb9*93')
'TALB' (Album/Movie/Show title)                     'D is for Dubby'
'TBPM' (BPM (beats per minute))                     '88.207'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Sour Dub'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Puscifer'
'TPE2' (Band/orchestra/accompaniment)               'Puscifer'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '07/09'
'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:lastfmtags'                                   ['alternative', 'industrial', 'progressive rock', 'rock', 'industrial rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-5.28 dB'
'TXXX:replaygain_track_peak'                        '1.049192'

========================== row from database ==========================
                                              'id'  1301699
                                            'path'  /data/Music/Bulk/00poprockelectronic/Puscifer/D is for Dubby/07 Sour Dub.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  409
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  8192477
                                           'mtime'  1620298631
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 eid ebm industrial darkwave industrial
                                      'tag_artist'  Puscifer
                                     'tag_release'  D is for Dubby
                                       'tag_title'  Sour Dub
                                             'bpm'  88.207
                                    'search_title'  'dub':2 'sour':1
                                   'search_artist'  'puscifer':1
                                  'search_release'  'd':1 'dubby':4 'for':3 'is':2
                                     'search_rest'  '00poprockelectronic':1 'darkwave':5 'ebm':3 'eid':2 'industrial':4
                                    'search_combo'  '00poprockelectronic':8 'd':4C 'darkwave':12 'dub':2A 'dubby':7C 'ebm':10 'eid':9 'for':6C 'industrial':11 'is':5C 'puscifer':3B 'sour':1A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  5A
                                           '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-2', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'industrial', 'progressive rock', 'rock', 'industrial rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620298631.2655494  (2021-05-06 12:57:11)
                             'size'  8192477