======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '362'
                                          'artist'  'Bal Sagoth'
                                     'text_people'  ''
                                         'release'  'The Power Cosmic'
                                           'title'  'The Empyreal Lexicon'
                                           '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-3', 'q-piano-1', 'q-vocals-2', "
 "'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'  '03'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '131.2'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Power Cosmic'
'TBPM' (BPM (beats per minute))                     '131.2'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'The Empyreal Lexicon'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bal Sagoth'
'TRCK' (Track number/Position in set)               '03'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.413307'

========================== row from database ==========================
                                              'id'  1252769
                                            'path'  /data/Music/Bulk/00dwimp/Bal Sagoth/The Power Cosmic/Bal Sagoth - The Empyreal Lexicon.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  362
                                           'genre'  eid-metal-black
                                        'filesize'  7254162
                                           'mtime'  1620301863
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp eid metal black
                                      'tag_artist'  Bal Sagoth
                                     'tag_release'  The Power Cosmic
                                       'tag_title'  The Empyreal Lexicon
                                             'bpm'  131.2
                                    'search_title'  'empyreal':2 'lexicon':3 'the':1
                                   'search_artist'  'bal':1 'sagoth':2
                                  'search_release'  'cosmic':3 'power':2 'the':1
                                     'search_rest'  '00dwimp':1 'black':4 'eid':2 'metal':3
                                    'search_combo'  '00dwimp':9 'bal':4B 'black':12 'cosmic':8C 'eid':10 'empyreal':2A 'lexicon':3A 'metal':11 'power':7C 'sagoth':5B 'the':1A,6C
                                    'tag_tracknum'  3
                                      '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-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['symphonic black metal', 'black metal', 'symphonic metal', 'epic metal', 'epic black metal']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301862.804769  (2021-05-06 13:51:02)
                             'size'  7254162