======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '800'
                                          'artist'  'Merzbow'
                                     'text_people'  ''
                                         'release'  'Merzbeat'
                                           'title'  'Forgotten Land'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-4', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-4', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['industrial', 'noise', 'japanoise', 'experimental', 'japanese']"
                                     'discogstags'  "['electronic', 'noise', 'rhythmic noise']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore;set-pl-sced'
                                             'bpm'  '120.8'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000015B1 000016FA 00006E97 00007FD4 0007EF6E 0007EF6E 00005A5A 000066F3 '
 '000B71DE 000B71C7')
'TALB' (Album/Movie/Show title)                     'Merzbeat'
'TBPM' (BPM (beats per minute))                     '120.8'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-glitch-breakcore', 'set-pl-sced']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Forgotten Land'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Merzbow'
'TPE2' (Band/orchestra/accompaniment)               'Merzbow'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '4'
'TXXX:discogstags'                                  ['electronic', 'noise', 'rhythmic noise']
'TXXX:lastfmtags'                                   ['industrial', 'noise', 'japanoise', 'experimental', 'japanese']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.351286'

========================== row from database ==========================
                                              'id'  324834
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Merzbow/[2002] Merzbeat/02 Forgotten Land.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  800
                                           'genre'  electronic-experimental-glitch-breakcore;set-pl-sced
                                        'filesize'  19226120
                                           'mtime'  1636136143
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2002] 02 electronic experimental glitch breakcore;set pl sced
                                      'tag_artist'  Merzbow
                                     'tag_release'  Merzbeat
                                       'tag_title'  Forgotten Land
                                             'bpm'  120.8
                                    'search_title'  'forgotten':1 'land':2
                                   'search_artist'  'merzbow':1
                                  'search_release'  'merzbeat':1
                                     'search_rest'  '2002':1,2 'breakcore':6,8 'electronic':3 'experimental':4 'glitch':5 'pl':10 'sced':11 'set':7,9
                                    'search_combo'  '2002':5,6 'breakcore':10,12 'electronic':7 'experimental':8 'forgotten':1A 'glitch':9 'land':2A 'merzbeat':4C 'merzbow':3B 'pl':14 'sced':15 'set':11,13
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-4', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['industrial', 'noise', 'japanoise', 'experimental', 'japanese']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'noise', 'rhythmic noise']

============================== file details ==============================
                                           'mtime'  1636136142.9113948  (2021-11-05 19:15:42)
                             'size'  19226120