======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '164'
                                          'artist'  'Yximalloo'
                                     'text_people'  ''
                                         'release'  'Fangs of Lucifer'
                                           'title'  'Eel Fishing in Moon Light'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese avant garde', 'prda', 'avant garde', 'japanese', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '17'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '112.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fangs of Lucifer'
'TBPM' (BPM (beats per minute))                     '112.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Eel Fishing in Moon Light'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yximalloo'
'TRCK' (Track number/Position in set)               '16/17'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['japanese avant garde', 'prda', 'avant garde', 'japanese', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.413657'

========================== row from database ==========================
                                              'id'  1378156
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Yximalloo - Fangs of Lucifer/16 Eel Fishing in Moon Light.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  164
                                           'genre'  electronic-experimental
                                        'filesize'  3952256
                                           'mtime'  1622659807
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 16 electronic experimental
                                      'tag_artist'  Yximalloo
                                     'tag_release'  Fangs of Lucifer
                                       'tag_title'  Eel Fishing in Moon Light
                                             'bpm'  112.7
                                    'search_title'  'eel':1 'fishing':2 'in':3 'light':5 'moon':4
                                   'search_artist'  'yximalloo':1
                                  'search_release'  'fangs':1 'lucifer':3 'of':2
                                     'search_rest'  'electronic':1 'experimental':2
                                    'search_combo'  'eel':1A 'electronic':10 'experimental':11 'fangs':7C 'fishing':2A 'in':3A 'light':5A 'lucifer':9C 'moon':4A 'of':8C 'yximalloo':6B
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['japanese avant garde', 'prda', 'avant garde', 'japanese', 'experimental']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659807.4525273  (2021-06-02 20:50:07)
                             'size'  3952256