======================== unified (from filesystem) ========================
                                         'bitrate'  '156.506'
                                        'duration'  '203'
                                          'artist'  'Neat Beats'
                                     'text_people'  ''
                                         'release'  'Cosmic Surgery'
                                           'title'  'This Machine Destroys Everything'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'Q-PLAY-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['abstract hip hop', 'electronic', 'instrumental hip hop', 'experimental hip "
 "hop', 'trip hop']")
                                     'discogstags'  "['electronic', 'trip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '117.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Cosmic Surgery'
'TBPM' (BPM (beats per minute))                     '117.4'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'This Machine Destroys Everything'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Neat Beats'
'TPE2' (Band/orchestra/accompaniment)               'Neat Beats'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'trip hop']
'TXXX:lastfmtags'                                   ['abstract hip hop',
 'electronic',
 'instrumental hip hop',
 'experimental hip hop',
 'trip hop']
'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'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.29 dB'
'TXXX:replaygain_track_peak'                        '0.406245'

========================== row from database ==========================
                                              'id'  1244168
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Neat Beats - Cosmic Surgery/03 Neat Beats - This Machine Destroys Everything.mp3
                                         'working'  None
                                         'bitrate'  156
                                    'duration_sec'  203
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6687820
                                           'mtime'  1620586277
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 03 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Neat Beats
                                     'tag_release'  Cosmic Surgery
                                       'tag_title'  This Machine Destroys Everything
                                             'bpm'  117.4
                                    'search_title'  'destroys':3 'everything':4 'machine':2 'this':1
                                   'search_artist'  'beats':2 'neat':1
                                  'search_release'  'cosmic':1 'surgery':2
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'or':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'beats':6B 'cosmic':7C 'destroys':3A 'everything':4A 'hip':13 'hiphop':9 'hop':14 'machine':2A 'neat':5B 'or':15 'rap':10 'rnb':11 'surgery':8C 'this':1A 'turntablism':12
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['abstract hip hop', 'electronic', 'instrumental hip hop', 'experimental hip hop', 'trip hop']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic', 'trip hop']

============================== file details ==============================
                                           'mtime'  1620586277.44552  (2021-05-09 20:51:17)
                             'size'  6687820