======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '109'
                                          'artist'  'knowmadic'
                                     'text_people'  ''
                                         'release'  'i quit my job again'
                                           'title'  'mindstate'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['instrumental', 'beats', 'instrumental hip hop', 'hip hop']"
                                     'discogstags'  "['instrumental', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '133.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'i quit my job again'
'TBPM' (BPM (beats per minute))                     '133.9'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'mindstate'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'knowmadic'
'TPE2' (Band/orchestra/accompaniment)               'knowmadic'
'TRCK' (Track number/Position in set)               '7'
'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:discogstags'                                  ['instrumental', 'hip hop']
'TXXX:lastfmtags'                                   ['instrumental', 'beats', 'instrumental hip hop', 'hip hop']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.26 dB'
'TXXX:replaygain_track_peak'                        '0.459138'

========================== row from database ==========================
                                              'id'  1242218
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/knowmadic - i quit my job again/07 knowmadic - mindstate.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  109
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  1797329
                                           'mtime'  1620586445
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 07 hip hop or rnb or rap or turntablism
                                      'tag_artist'  knowmadic
                                     'tag_release'  i quit my job again
                                       'tag_title'  mindstate
                                             'bpm'  133.9
                                    'search_title'  'mindstate':1
                                   'search_artist'  'knowmadic':1
                                  'search_release'  'again':5 'i':1 'job':4 'my':3 'quit':2
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'or':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'again':7C 'hip':12 'hiphop':8 'hop':13 'i':3C 'job':6C 'knowmadic':2B 'mindstate':1A 'my':5C 'or':14 'quit':4C 'rap':9 'rnb':10 'turntablism':11
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'beats', 'instrumental hip hop', 'hip hop']
                                        'tag_date'  2016
                                     'discogstags'  ['instrumental', 'hip hop']

============================== file details ==============================
                                           'mtime'  1620586445.459172  (2021-05-09 20:54:05)
                             'size'  1797329