======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '165'
                                          'artist'  'Bal Sagoth'
                                     'text_people'  ''
                                         'release'  'Battle Magic'
                                           'title'  'Battle Magic'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', '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'  '01'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '115.6'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Battle Magic'
'TBPM' (BPM (beats per minute))                     '115.6'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Battle Magic'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bal Sagoth'
'TRCK' (Track number/Position in set)               '01'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.547593'

========================== row from database ==========================
                                              'id'  1262377
                                            'path'  /data/Music/Bulk/00dwimp/Bal Sagoth/Battle Magic/Bal Sagoth - Battle Magic.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  165
                                           'genre'  eid-metal-black
                                        'filesize'  3315419
                                           'mtime'  1620301856
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp eid metal black
                                      'tag_artist'  Bal Sagoth
                                     'tag_release'  Battle Magic
                                       'tag_title'  Battle Magic
                                             'bpm'  115.6
                                    'search_title'  'battle':1 'magic':2
                                   'search_artist'  'bal':1 'sagoth':2
                                  'search_release'  'battle':1 'magic':2
                                     'search_rest'  '00dwimp':1 'black':4 'eid':2 'metal':3
                                    'search_combo'  '00dwimp':7 'bal':3B 'battle':1A,5C 'black':10 'eid':8 'magic':2A,6C 'metal':9 'sagoth':4B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6B
                                           '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-3', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['symphonic black metal', 'black metal', 'symphonic metal', 'epic metal', 'epic black metal']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301855.831831  (2021-05-06 13:50:55)
                             'size'  3315419