======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '110'
                                          'artist'  'Spectre'
                                     'text_people'  ''
                                         'release'  'Tunes From The Crypt'
                                           'title'  'From Another Planet (Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', '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'  "['illbient', 'dub', 'black metal', 'trip hop', 'hip hop']"
                                     'discogstags'  "['electronic', 'hip hop', 'illbient', 'abstract', 'dub']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '135.5'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tunes From The Crypt'
'TBPM' (BPM (beats per minute))                     '135.5'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'From Another Planet (Remix)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Spectre'
'TRCK' (Track number/Position in set)               '07'
'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', 'hip hop', 'illbient', 'abstract', 'dub']
'TXXX:lastfmtags'                                   ['illbient', 'dub', 'black metal', 'trip hop', 'hip 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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.92 dB'
'TXXX:replaygain_track_peak'                        '0.605368'

========================== row from database ==========================
                                              'id'  1370723
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Spectre - 03 - Tunes From The Crypt (2006)/07. From Another Planet (Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  110
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4467818
                                           'mtime'  1620592493
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 03 (2006) 07. hip hop or rnb or rap or turntablism
                                      'tag_artist'  Spectre
                                     'tag_release'  Tunes From The Crypt
                                       'tag_title'  From Another Planet (Remix)
                                             'bpm'  135.5
                                    'search_title'  'another':2 'from':1 'planet':3 'remix':4,5
                                   'search_artist'  'spectre':1
                                  'search_release'  'crypt':4 'from':2 'the':3 'tunes':1
                                     'search_rest'  '07':7,8 '2006':5,6 'hip':9 'hiphop':1 'hop':10 'or':11 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '07':17,18 '2006':15,16 'another':2A 'crypt':10C 'from':1A,8C 'hip':19 'hiphop':11 'hop':20 'or':21 'planet':3A 'rap':12 'remix':4A,5A 'rnb':13 'spectre':6B 'the':9C 'tunes':7C 'turntablism':14
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  7A
                                           '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-3', 'q-grit-2']
                                      'lastfmtags'  ['illbient', 'dub', 'black metal', 'trip hop', 'hip hop']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'hip hop', 'illbient', 'abstract', 'dub']

============================== file details ==============================
                                           'mtime'  1620592492.8073626  (2021-05-09 22:34:52)
                             'size'  4467818