======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '127'
                                          'artist'  'Knowmadic'
                                     'text_people'  ''
                                         'release'  'better off'
                                           'title'  'backtothewind'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-3', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['instrumental', 'beats', 'instrumental hip hop', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '6'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism-chillhop'
                                             'bpm'  '140.3'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'better off'
'TBPM' (BPM (beats per minute))                     '140.3'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism-chillhop'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'backtothewind'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Knowmadic'
'TRCK' (Track number/Position in set)               '3/6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'beats', 'instrumental hip hop', 'hip hop']
'TXXX:q-bass'                                       '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.582880'

========================== row from database ==========================
                                              'id'  1244483
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/knowmadic ‎– Better Off (2017)/3 - Knowmadic - backtothewind.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  127
                                           'genre'  hip hop or rnb or rap or turntablism-chillhop
                                        'filesize'  5221939
                                           'mtime'  1620586451
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism knowmadic ‎– Better Off (2017) 3 hip hop or rnb or rap or turntablism chillhop
                                      'tag_artist'  Knowmadic
                                     'tag_release'  better off
                                       'tag_title'  backtothewind
                                             'bpm'  140.3
                                    'search_title'  'backtothewind':1
                                   'search_artist'  'knowmadic':1
                                  'search_release'  'better':1 'off':2
                                     'search_rest'  '2017':8,9 '3':10 'better':6 'chillhop':14 'hip':11 'hiphop':1 'hop':12 'knowmadic':5 'off':7 'or':13 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '2017':12,13 '3':14 'backtothewind':1A 'better':3C,10 'chillhop':18 'hip':15 'hiphop':5 'hop':16 'knowmadic':2B,9 'off':4C,11 'or':17 'rap':6 'rnb':7 'turntablism':8
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'beats', 'instrumental hip hop', 'hip hop']
                                        'tag_date'  2017
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586451.0075154  (2021-05-09 20:54:11)
                             'size'  5221939