======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '64'
                                          'artist'  'Blectum From Blechdom'
                                     'text_people'  ''
                                         'release'  'De Snaunted Haus'
                                           'title'  'Love Letter'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['glitch', 'noise', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['idm', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '85.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     'De Snaunted Haus'
'TBPM' (BPM (beats per minute))                     '85.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Love Letter'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blectum From Blechdom'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['idm', 'electronic']
'TXXX:lastfmtags'                                   ['glitch', 'noise', 'idm', 'electronic', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.84 dB'
'TXXX:replaygain_track_peak'                        '0.491390'

========================== row from database ==========================
                                              'id'  1372377
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Blectum From Blechdom - 2000 - DE SNAUNTED HAUS/11 Love Letter.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  64
                                           'genre'  electronic-experimental
                                        'filesize'  1846025
                                           'mtime'  1622659767
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2000 DE SNAUNTED HAUS 11 electronic experimental
                                      'tag_artist'  Blectum From Blechdom
                                     'tag_release'  De Snaunted Haus
                                       'tag_title'  Love Letter
                                             'bpm'  85.4
                                    'search_title'  'letter':2 'love':1
                                   'search_artist'  'blechdom':3 'blectum':1 'from':2
                                  'search_release'  'de':1 'haus':3 'snaunted':2
                                     'search_rest'  '2000':1 'de':2 'electronic':5 'experimental':6 'haus':4 'snaunted':3
                                    'search_combo'  '2000':9 'blechdom':5B 'blectum':3B 'de':6C,10 'electronic':13 'experimental':14 'from':4B 'haus':8C,12 'letter':2A 'love':1A 'snaunted':7C,11
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['glitch', 'noise', 'idm', 'electronic', 'experimental']
                                        'tag_date'  2000
                                     'discogstags'  ['idm', 'electronic']

============================== file details ==============================
                                           'mtime'  1622659766.820796  (2021-06-02 20:49:26)
                             'size'  1846025