======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '595'
                                          'artist'  'Area C'
                                     'text_people'  ''
                                         'release'  'Map of Circular Thought'
                                           'title'  'An After Image'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['ambient', 'drone', 'experimental', 'lovedbybeyondwithin', 'psychedelic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '101.666'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         '7++'
'COMM:ID3v1 Comment:XXX'                            '7++'
'COMM:iTunNORM:eng'                                 (' 0000016B 000002DC 000099FA 00016937 00055639 000583F0 00007F5B 00007E38 '
 '0001AA1F 0004C7C6')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A98 000000000190ADD8 00000000 016B5854 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '7++'
'TALB' (Album/Movie/Show title)                     'Map of Circular Thought'
'TBPM' (BPM (beats per minute))                     '101.666'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'iTunes 10.1.1'
'TIT2' (Title/songname/content description)         'An After Image'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Area C'
'TPE2' (Band/orchestra/accompaniment)               'Area C'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ambient', 'drone', 'experimental', 'lovedbybeyondwithin', 'psychedelic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.51 dB'
'TXXX:replaygain_track_peak'                        '0.836598'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N85Q229351750V380FC4C49ED9EB7041F5801F600A33D52DP6\x00')

========================== row from database ==========================
                                              'id'  767614
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Area C - AN AFTER IMAGE.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  595
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  23834454
                                           'mtime'  1620586859
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism AN AFTER IMAGE hip hop or rnb or rap or turntablism
                                      'tag_artist'  Area C
                                     'tag_release'  Map of Circular Thought
                                       'tag_title'  An After Image
                                             'bpm'  101.666
                                    'search_title'  'after':2 'an':1 'image':3
                                   'search_artist'  'area':1 'c':2
                                  'search_release'  'circular':3 'map':1 'of':2 'thought':4
                                     'search_rest'  'after':6 'an':5 'hip':8 'hiphop':1 'hop':9 'image':7 'or':10 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'after':2A,15 'an':1A,14 'area':4B 'c':5B 'circular':8C 'hip':17 'hiphop':10 'hop':18 'image':3A,16 'map':6C 'of':7C 'or':19 'rap':11 'rnb':12 'thought':9C 'turntablism':13
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'drone', 'experimental', 'lovedbybeyondwithin', 'psychedelic']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586859.218797  (2021-05-09 21:00:59)
                             'size'  23834454