======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '389'
                                          'artist'  'Bal Sagoth'
                                     'text_people'  ''
                                         'release'  'Starfire Burning Upon the Ice-Veiled Throne of Ultima Thule'
                                           'title'  ('In the Raven-Haunted Forests of Darkenhold, Where Shadows Reign and the Hues '
 'of Sunlight Never Dance')
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['symphonic black metal', 'black metal', 'symphonic metal', 'epic metal', "
 "'epic black metal']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '123.3'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Starfire Burning Upon the Ice-Veiled Throne of Ultima Thule'
'TBPM' (BPM (beats per minute))                     '123.3'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TIT2' (Title/songname/content description)         ('In the Raven-Haunted Forests of Darkenhold, Where Shadows Reign and the Hues '
 'of Sunlight Never Dance')
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bal Sagoth'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['symphonic black metal',
 'black metal',
 'symphonic metal',
 'epic metal',
 'epic black metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.42 dB'
'TXXX:replaygain_track_peak'                        '0.631064'

========================== row from database ==========================
                                              'id'  1257109
                                            'path'  /data/Music/Bulk/00dwimp/Bal Sagoth/Starfire burning upon the Ice-Veiled Throne of Ultima Thule/Bal Sagoth - In the Raven-Haunted Forests of Darkenhold, Where Shadows Reign and the Hues of Sunlight Never Dance.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  389
                                           'genre'  eid-metal-black
                                        'filesize'  7788544
                                           'mtime'  1620301862
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp burning upon eid metal black
                                      'tag_artist'  Bal Sagoth
                                     'tag_release'  Starfire Burning Upon the Ice-Veiled Throne of Ultima Thule
                                       'tag_title'  In the Raven-Haunted Forests of Darkenhold, Where Shadows Reign and the Hues of Sunlight Never Dance
                                             'bpm'  123.3
                                    'search_title'  'and':13 'dance':17 'darkenhold':8,9 'forests':6 'haunted':4 'hues':14 'in':1 'never':16 'of':7 'raven':3 'ravenhaunted':5 'reign':12 'shadows':11 'sunlight':15 'the':2 'where':10
                                   'search_artist'  'bal':1 'sagoth':2
                                  'search_release'  'burning':2 'ice':5 'iceveiled':7 'of':9 'starfire':1 'the':4 'throne':8 'thule':11 'ultima':10 'upon':3 'veiled':6
                                     'search_rest'  '00dwimp':1 'black':6 'burning':2 'eid':4 'metal':5 'upon':3
                                    'search_combo'  '00dwimp':31 'and':13A 'bal':18B 'black':36 'burning':21C,32 'dance':17A 'darkenhold':8A,9A 'eid':34 'forests':6A 'haunted':4A 'hues':14A 'ice':24C 'iceveiled':26C 'in':1A 'metal':35 'never':16A 'of':7A,28C 'raven':3A 'ravenhaunted':5A 'reign':12A 'sagoth':19B 'shadows':11A 'starfire':20C 'sunlight':15A 'the':2A,23C 'throne':27C 'thule':30C 'ultima':29C 'upon':22C,33 'veiled':25C 'where':10A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['symphonic black metal', 'black metal', 'symphonic metal', 'epic metal', 'epic black metal']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301862.136796  (2021-05-06 13:51:02)
                             'size'  7788544