======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '393'
                                          'artist'  'LSD March'
                                     'text_people'  ''
                                         'release'  'Progsoup 29'
                                           'title'  'Ai No Sakebi'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychedelic', 'psychedelic rock', 'noise rock', 'japanese', 'avant-garde']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '36'
                                      'tracktotal'  '9'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '111.089'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000006A5 00000793 00004395 00004DB3 0000051A 000404FA 00007964 0000774D '
 '0005BA05 0005BA05')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000930 000000000108DBC0 00000000 00901688 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '9+9588F693825FD85718D86D7428688711+12304704'
'TALB' (Album/Movie/Show title)                     'Progsoup 29'
'TBPM' (BPM (beats per minute))                     '111.089'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'iTunes 8.0.2.20'
'TIT2' (Title/songname/content description)         'Ai No Sakebi'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'LSD March'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '36/9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['psychedelic', 'psychedelic rock', 'noise rock', 'japanese', 'avant-garde']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.560448'

========================== row from database ==========================
                                              'id'  1411068
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 29/1647 lsd march - ai no sakebi.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  393
                                           'genre'  rock-cppex-progressive
                                        'filesize'  9450154
                                           'mtime'  1620737077
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1647 lsd march ai no sakebi rock cppex progressive
                                      'tag_artist'  LSD March
                                     'tag_release'  Progsoup 29
                                       'tag_title'  Ai No Sakebi
                                             'bpm'  111.089
                                    'search_title'  'ai':1 'no':2 'sakebi':3
                                   'search_artist'  'lsd':1 'march':2
                                  'search_release'  '29':2 'progsoup':1
                                     'search_rest'  '1647':3 'ai':6 'classicprogpsy':1 'cppex':10 'lsd':4 'march':5 'no':7 'progressive':11 'progsoup':2 'rock':9 'sakebi':8
                                    'search_combo'  '1647':10 '29':7C 'ai':1A,13 'classicprogpsy':8 'cppex':17 'lsd':4B,11 'march':5B,12 'no':2A,14 'progressive':18 'progsoup':6C,9 'rock':16 'sakebi':3A,15
                                    'tag_tracknum'  36
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'psychedelic rock', 'noise rock', 'japanese', 'avant-garde']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737077.106741  (2021-05-11 14:44:37)
                             'size'  9450154