======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '196'
                                          'artist'  'Alice Russell'
                                     'text_people'  ''
                                         'release'  'My Favourite Letters'
                                           'title'  'What We Want!'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-3', 'Q-JZFKS-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['jazz', 'female vocalists', 'soul', 'funk', 'nu jazz']"
                                     'discogstags'  "['electronic', 'funk / soul', 'downtempo', 'soul', 'neo soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '12'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '110.302'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000575 00000705 00003064'
'COMM:iTunNORM:eng'                                 (' 00000575 00000705 00003064 00004380 00013897 00013897 00007743 00007C1C '
 '00000045 00013897')
'TALB' (Album/Movie/Show title)                     'My Favourite Letters'
'TBPM' (BPM (beats per minute))                     '110.302'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'What We Want!'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alice Russell'
'TRCK' (Track number/Position in set)               '02/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'funk / soul', 'downtempo', 'soul', 'neo soul']
'TXXX:lastfmtags'                                   ['jazz', 'female vocalists', 'soul', 'funk', 'nu jazz']
'TXXX:q-bass'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.505614'

========================== row from database ==========================
                                              'id'  769766
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Alice Russell - WHAT WE WANT!.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  196
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  7909639
                                           'mtime'  1620586787
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism WHAT WE WANT! hip hop or rnb or rap or turntablism
                                      'tag_artist'  Alice Russell
                                     'tag_release'  My Favourite Letters
                                       'tag_title'  What We Want!
                                             'bpm'  110.302
                                    'search_title'  'want':3 'we':2 'what':1
                                   'search_artist'  'alice':1 'russell':2
                                  'search_release'  'favourite':2 'letters':3 'my':1
                                     'search_rest'  'hip':8 'hiphop':1 'hop':9 'or':10 'rap':2 'rnb':3 'turntablism':4 'want':7 'we':6 'what':5
                                    'search_combo'  'alice':4B 'favourite':7C 'hip':16 'hiphop':9 'hop':17 'letters':8C 'my':6C 'or':18 'rap':10 'rnb':11 'russell':5B 'turntablism':12 'want':3A,15 'we':2A,14 'what':1A,13
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'female vocalists', 'soul', 'funk', 'nu jazz']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'funk / soul', 'downtempo', 'soul', 'neo soul']

============================== file details ==============================
                                           'mtime'  1620586787.156779  (2021-05-09 20:59:47)
                             'size'  7909639