======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '310'
                                          'artist'  'Sepultura'
                                     'text_people'  ''
                                         'release'  'Beneath the Remains'
                                           'title'  'Inner Self Drum Tracks'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['heavy metal', 'death metal', 'thrash metal', 'metal', 'brazilian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '108.413'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Beneath the Remains'
'TBPM' (BPM (beats per minute))                     '108.413'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Inner Self Drum Tracks'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sepultura'
'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'                                   ['heavy metal', 'death metal', 'thrash metal', 'metal', 'brazilian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.437628'

========================== row from database ==========================
                                              'id'  1396229
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Sepultura/Beneath The Remains/Sepultura - Inner Self Drum Tracks.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  310
                                           'genre'  eid-metal-trash
                                        'filesize'  4973984
                                           'mtime'  1620311621
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal The eid metal trash
                                      'tag_artist'  Sepultura
                                     'tag_release'  Beneath the Remains
                                       'tag_title'  Inner Self Drum Tracks
                                             'bpm'  108.413
                                    'search_title'  'drum':3 'inner':1 'self':2 'tracks':4
                                   'search_artist'  'sepultura':1
                                  'search_release'  'beneath':1 'remains':3 'the':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':4 'metal':5 'the':3 'trash':6
                                    'search_combo'  '00dwimp':9 '00metal':10 'beneath':6C 'drum':3A 'eid':12 'inner':1A 'metal':13 'remains':8C 'self':2A 'sepultura':5B 'the':7C,11 'tracks':4A 'trash':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['heavy metal', 'death metal', 'thrash metal', 'metal', 'brazilian']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311620.7520266  (2021-05-06 16:33:40)
                             'size'  4973984