======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '224'
                                          'artist'  'Audio Bullys'
                                     'text_people'  ''
                                         'release'  'Ego War'
                                           'title'  'Face in a Cloud'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'electronica', 'electronic', 'hip hop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '123.032'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ego War'
'TBPM' (BPM (beats per minute))                     '123.032'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Face in a Cloud'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Audio Bullys'
'TRCK' (Track number/Position in set)               '7'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'house', 'electronica', 'electronic', 'hip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.497019'

========================== row from database ==========================
                                              'id'  1456587
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00mixable/Audio Bullys/Audio Bullys-(2003)Ego War/07 Audio bullys - Face in a cloud.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  224
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5390208
                                           'mtime'  1620558217
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00mixable (2003)Ego 07 bullys cloud hip hop or rnb or rap or turntablism
                                      'tag_artist'  Audio Bullys
                                     'tag_release'  Ego War
                                       'tag_title'  Face in a Cloud
                                             'bpm'  123.032
                                    'search_title'  'a':3 'cloud':4 'face':1 'in':2
                                   'search_artist'  'audio':1 'bullys':2
                                  'search_release'  'ego':1 'war':2
                                     'search_rest'  '00mixable':5 '00poprockelectronic':1 '2003':6 '2003ego':8 'bullys':9 'cloud':10 'dance':3 'ego':7 'generic':2 'hip':11 'hop':12 'or':13 'rap':15 'rnb':14 'trapbeat':4 'turntablism':16
                                    'search_combo'  '00mixable':13 '00poprockelectronic':9 '2003':14 '2003ego':16 'a':3A 'audio':5B 'bullys':6B,17 'cloud':4A,18 'dance':11 'ego':7C,15 'face':1A 'generic':10 'hip':19 'hop':20 'in':2A 'or':21 'rap':23 'rnb':22 'trapbeat':12 'turntablism':24 'war':8C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'electronic', 'hip hop']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620558217.4722204  (2021-05-09 13:03:37)
                             'size'  5390208