======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '313'
                                          'artist'  'Orange Goblin'
                                     'text_people'  ''
                                         'release'  'The Big Black'
                                           'title'  'King of the Hornets'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['stoner rock', 'stoner metal', 'hard rock', 'doom metal', 'stoner']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-gr-stoner'
                                             'bpm'  '134.914'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000D7A 00000C14 000024FD'
'TALB' (Album/Movie/Show title)                     'The Big Black'
'TBPM' (BPM (beats per minute))                     '134.914'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-stoner'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'King of the Hornets'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Orange Goblin'
'TRCK' (Track number/Position in set)               '7'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['stoner rock', 'stoner metal', 'hard rock', 'doom metal', 'stoner']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'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'                        '-1.33 dB'
'TXXX:replaygain_track_peak'                        '0.438102'

========================== row from database ==========================
                                              'id'  1420719
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Orange Goblin/Orange Goblin - The Big Black/07 - King of the Hornets.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  313
                                           'genre'  rock-gr-stoner
                                        'filesize'  7523470
                                           'mtime'  1636917495
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 07 rock gr stoner
                                      'tag_artist'  Orange Goblin
                                     'tag_release'  The Big Black
                                       'tag_title'  King of the Hornets
                                             'bpm'  134.914
                                    'search_title'  'hornets':4 'king':1 'of':2 'the':3
                                   'search_artist'  'goblin':2 'orange':1
                                  'search_release'  'big':2 'black':3 'the':1
                                     'search_rest'  'classicprogpsy':1 'gr':3 'rock':2 'stoner':4
                                    'search_combo'  'big':8C 'black':9C 'classicprogpsy':10 'goblin':6B 'gr':12 'hornets':4A 'king':1A 'of':2A 'orange':5B 'rock':11 'stoner':13 'the':3A,7C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  7A
                                           '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-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['stoner rock', 'stoner metal', 'hard rock', 'doom metal', 'stoner']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917495.1565008  (2021-11-14 20:18:15)
                             'size'  7523470