======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '265'
                                          'artist'  'Miss Kittin'
                                     'text_people'  ''
                                         'release'  'Electroclash'
                                           'title'  'Wireless Internet'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electroclash', 'electronic', 'electro', 'techno']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-electroclash;set-pl-sced'
                                             'bpm'  '87.900'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000006E2 000002E6 000022D4'
'COMM:iTunNORM:eng'                                 (' 000006E2 000002E6 000022D4 00001018 00013897 00030D85 00007EB6 00007D6F '
 '0002E675 0002E675')
'TALB' (Album/Movie/Show title)                     'Electroclash'
'TBPM' (BPM (beats per minute))                     '87.900'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electroclash', 'set-pl-sced']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Wireless Internet'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Arpanet'
'TPE2' (Band/orchestra/accompaniment)               'Miss Kittin'
'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'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'electroclash', 'electronic', 'electro', 'techno']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.626186'

========================== row from database ==========================
                                              'id'  1287298
                                            'path'  /data/Music/Bulk/00poprockelectronic/Electroclash/02 Wireless Internet.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  265
                                           'genre'  electronic-we-electroclash;set-pl-sced
                                        'filesize'  6576561
                                           'mtime'  1620561247
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 electronic we electroclash;set pl sced
                                      'tag_artist'  Miss Kittin
                                     'tag_release'  Electroclash
                                       'tag_title'  Wireless Internet
                                             'bpm'  87.9
                                    'search_title'  'internet':2 'wireless':1
                                   'search_artist'  'kittin':2 'miss':1
                                  'search_release'  'electroclash':1
                                     'search_rest'  '00poprockelectronic':1 'electroclash':4,6 'electronic':2 'pl':8 'sced':9 'set':5,7 'we':3
                                    'search_combo'  '00poprockelectronic':6 'electroclash':5C,9,11 'electronic':7 'internet':2A 'kittin':4B 'miss':3B 'pl':13 'sced':14 'set':10,12 'we':8 'wireless':1A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electroclash', 'electronic', 'electro', 'techno']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561246.7825394  (2021-05-09 13:54:06)
                             'size'  6576561