======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '236'
                                          'artist'  'Ample Mammal'
                                     'text_people'  ''
                                         'release'  'Mating Season'
                                           'title'  'Blocked Friend Request'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dubstep', 'glitch', 'experimental', 'downtempo', 'electro']"
                                     'discogstags'  "['electronic', 'glitch', 'dubstep', 'hip hop', 'electro', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '89.930'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000A2C 00000A2A 0000709F'
'COMM:iTunNORM:eng'                                 (' 00000A2C 00000A2A 0000709F 00005D62 00031833 000005B6 00008000 00008000 '
 '000005B6 000005B6')
'TALB' (Album/Movie/Show title)                     'Mating Season'
'TBPM' (BPM (beats per minute))                     '89.930'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Blocked Friend Request'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ample Mammal'
'TPE2' (Band/orchestra/accompaniment)               'Ample Mammal'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'glitch', 'dubstep', 'hip hop', 'electro', 'downtempo']
'TXXX:lastfmtags'                                   ['dubstep', 'glitch', 'experimental', 'downtempo', 'electro']
'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'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.445547'

========================== row from database ==========================
                                              'id'  761518
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Ample Mammal - BLOCKED FRIEND REQUEST.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  236
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  9566037
                                           'mtime'  1620586812
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism BLOCKED FRIEND REQUEST hip hop or rnb or rap or turntablism
                                      'tag_artist'  Ample Mammal
                                     'tag_release'  Mating Season
                                       'tag_title'  Blocked Friend Request
                                             'bpm'  89.93
                                    'search_title'  'blocked':1 'friend':2 'request':3
                                   'search_artist'  'ample':1 'mammal':2
                                  'search_release'  'mating':1 'season':2
                                     'search_rest'  'blocked':5 'friend':6 'hip':8 'hiphop':1 'hop':9 'or':10 'rap':2 'request':7 'rnb':3 'turntablism':4
                                    'search_combo'  'ample':4B 'blocked':1A,12 'friend':2A,13 'hip':15 'hiphop':8 'hop':16 'mammal':5B 'mating':6C 'or':17 'rap':9 'request':3A,14 'rnb':10 'season':7C 'turntablism':11
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', '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'  ['dubstep', 'glitch', 'experimental', 'downtempo', 'electro']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'glitch', 'dubstep', 'hip hop', 'electro', 'downtempo']

============================== file details ==============================
                                           'mtime'  1620586811.8338535  (2021-05-09 21:00:11)
                             'size'  9566037