======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '216'
                                          'artist'  'Nobukazu Takemura'
                                     'text_people'  ''
                                         'release'  "dimitri's dungeon mixtape iii"
                                           'title'  'polymorphism'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['japanese', 'ambient', 'electronic', 'experimental', 'idm']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-experimental;set-pl-dimitridm'
                                             'bpm'  '96.2'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "dimitri's dungeon mixtape iii"
'TBPM' (BPM (beats per minute))                     '96.2'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'set-pl-dimitridm']
'TIT2' (Title/songname/content description)         'polymorphism'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nobukazu Takemura'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '096,207'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['japanese', 'ambient', 'electronic', 'experimental', 'idm']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'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'                        '-1.41 dB'
'TXXX:replaygain_track_peak'                        '0.606720'

========================== row from database ==========================
                                              'id'  1529793
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Freeform - dimitri_s dungeon mixtape iii - electrician returns/18 Nobukazu Takemura - Polymorphism.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  216
                                           'genre'  electronic-experimental;set-pl-dimitridm
                                        'filesize'  5209687
                                           'mtime'  1636920547
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Freeform dimitri_s electrician returns 18 Polymorphism electronic experimental;set pl dimitridm
                                      'tag_artist'  Nobukazu Takemura
                                     'tag_release'  dimitri's dungeon mixtape iii
                                       'tag_title'  polymorphism
                                             'bpm'  96.2
                                    'search_title'  'polymorphism':1
                                   'search_artist'  'nobukazu':1 'takemura':2
                                  'search_release'  'dimitri':1 'dimitris':3 'dungeon':4 'iii':6 'mixtape':5 's':2
                                     'search_rest'  '18':6 'dimitri':2 'dimitridm':14 'electrician':4 'electronic':8 'experimental':9,11 'freeform':1 'pl':13 'polymorphism':7 'returns':5 's':3 'set':10,12
                                    'search_combo'  '18':15 'dimitri':4C,11 'dimitridm':23 'dimitris':6C 'dungeon':7C 'electrician':13 'electronic':17 'experimental':18,20 'freeform':10 'iii':9C 'mixtape':8C 'nobukazu':2B 'pl':22 'polymorphism':1A,16 'returns':14 's':5C,12 'set':19,21 'takemura':3B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'ambient', 'electronic', 'experimental', 'idm']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636920547.4653344  (2021-11-14 21:09:07)
                             'size'  5209687