======================== unified (from filesystem) ========================
                                         'bitrate'  '256.036'
                                        'duration'  '152'
                                          'artist'  'Satanicpornocultshop'
                                     'text_people'  ''
                                         'release'  'Nirvana or Lunch'
                                           'title'  'Highway Tremolo Driving'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['avant garde', 'idm', 'electronic', 'breakcore', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '114.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Nirvana or Lunch'
'TBPM' (BPM (beats per minute))                     '114.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Highway Tremolo Driving'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Satanicpornocultshop'
'TPE2' (Band/orchestra/accompaniment)               'Satanicpornocultshop'
'TRCK' (Track number/Position in set)               '12'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.98'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['avant garde', 'idm', 'electronic', 'breakcore', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.44 dB'
'TXXX:replaygain_track_peak'                        '1.015919'

========================== row from database ==========================
                                              'id'  1366761
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Satanicpornocultshop - 1999 - NIRVANA OR LUNCH/12  Highway Tremolo Driving.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  152
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4902640
                                           'mtime'  1636915849
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1999 NIRVANA OR LUNCH 12 electronic experimental oddness
                                      'tag_artist'  Satanicpornocultshop
                                     'tag_release'  Nirvana or Lunch
                                       'tag_title'  Highway Tremolo Driving
                                             'bpm'  114.7
                                    'search_title'  'driving':3 'highway':1 'tremolo':2
                                   'search_artist'  'satanicpornocultshop':1
                                  'search_release'  'lunch':3 'nirvana':1 'or':2
                                     'search_rest'  '1999':1 'electronic':5 'experimental':6 'lunch':4 'nirvana':2 'oddness':7 'or':3
                                    'search_combo'  '1999':8 'driving':3A 'electronic':12 'experimental':13 'highway':1A 'lunch':7C,11 'nirvana':5C,9 'oddness':14 'or':6C,10 'satanicpornocultshop':4B 'tremolo':2A
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           '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-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['avant garde', 'idm', 'electronic', 'breakcore', 'experimental']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636915849.1548083  (2021-11-14 19:50:49)
                             'size'  4902640