======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '304'
                                          'artist'  'Chance The Rapper'
                                     'text_people'  ''
                                         'release'  'Coloring Book'
                                           'title'  'No Problem'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['underground hip hop', 'jazz rap', 'hip hop', 'rap', 'chicago']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '90.130'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'Cover'
                                     
'TALB' (Album/Movie/Show title)                     'Coloring Book'
'TBPM' (BPM (beats per minute))                     '90.130'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'No Problem'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chance The Rapper feat. Lil Wayne & 2 Chainz'
'TPE2' (Band/orchestra/accompaniment)               'Chance The Rapper'
'TRCK' (Track number/Position in set)               '2'
'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'                                  'hip hop'
'TXXX:lastfmtags'                                   ['underground hip hop', 'jazz rap', 'hip hop', 'rap', 'chicago']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.31 dB'
'TXXX:replaygain_track_peak'                        '0.626739'

========================== row from database ==========================
                                              'id'  1312439
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/Chance The Rapper feat. Lil Wayne & 2 Chainz - No Problem.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  304
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  12230153
                                           'mtime'  1620566208
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 feat. Lil Wayne & 2 Chainz hip hop rnb rap turntablism
                                      'tag_artist'  Chance The Rapper
                                     'tag_release'  Coloring Book
                                       'tag_title'  No Problem
                                             'bpm'  90.13
                                    'search_title'  'no':1 'problem':2
                                   'search_artist'  'chance':1 'rapper':3 'the':2
                                  'search_release'  'book':2 'coloring':1
                                     'search_rest'  '00poprockelectronic':1 '2':7 '2016':2 'chainz':8 'feat':3,4 'hip':9 'hop':10 'lil':5 'rap':12 'rnb':11 'turntablism':13 'wayne':6
                                    'search_combo'  '00poprockelectronic':8 '2':14 '2016':9 'book':7C 'chainz':15 'chance':3B 'coloring':6C 'feat':10,11 'hip':16 'hop':17 'lil':12 'no':1A 'problem':2A 'rap':19 'rapper':5B 'rnb':18 'the':4B 'turntablism':20 'wayne':13
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['underground hip hop', 'jazz rap', 'hip hop', 'rap', 'chicago']
                                        'tag_date'  2016
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620566208.4472902  (2021-05-09 15:16:48)
                             'size'  12230153