======================== unified (from filesystem) ========================
                                         'bitrate'  '241.002'
                                        'duration'  '195'
                                          'artist'  'Plus-Tech Squeeze Box'
                                     'text_people'  ''
                                         'release'  'Cartoom!'
                                           'title'  "Dough-Nuts Town's Map"
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['shibuya kei', 'electronic', 'japanese', 'j pop', 'picopop']"
                                     'discogstags'  "['electronic', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '13'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '135.910'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00001F29 000025D5 00006687 0000BC75 0001CEF9 0002977B 00008000 00008000 '
 '000026BC 000026BC')
'TALB' (Album/Movie/Show title)                     'Cartoom!'
'TBPM' (BPM (beats per minute))                     '135.910'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "Dough-Nuts Town's Map"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Plus-Tech Squeeze Box'
'TPE2' (Band/orchestra/accompaniment)               'Plus-Tech Squeeze Box'
'TRCK' (Track number/Position in set)               '3/13'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'pop']
'TXXX:lastfmtags'                                   ['shibuya kei', 'electronic', 'japanese', 'j pop', 'picopop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.38 dB'
'TXXX:replaygain_track_peak'                        '0.292575'

========================== row from database ==========================
                                              'id'  1509140
                                            'path'  /data/Music/Bulk/00localcharacter/Plus-Tech Squeeze Box/[2004] Cartoom!/03 Dough-Nuts Town_s Map.mp3
                                         'working'  None
                                         'bitrate'  241
                                    'duration_sec'  195
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  5983645
                                           'mtime'  1621632219
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2004] 03 Town_s electronic we beeps or chip or pico
                                      'tag_artist'  Plus-Tech Squeeze Box
                                     'tag_release'  Cartoom!
                                       'tag_title'  Dough-Nuts Town's Map
                                             'bpm'  135.91
                                    'search_title'  'dough':1 'doughnuts':3 'map':7 'nuts':2 's':5 'town':4 'towns':6
                                   'search_artist'  'box':5 'plus':1 'plustech':3 'squeeze':4 'tech':2
                                  'search_release'  'cartoom':1
                                     'search_rest'  '2004':1,2 'beeps':7 'chip':9 'electronic':5 'or':8 'pico':10 's':4 'town':3 'we':6
                                    'search_combo'  '2004':14,15 'beeps':20 'box':12B 'cartoom':13C 'chip':22 'dough':1A 'doughnuts':3A 'electronic':18 'map':7A 'nuts':2A 'or':21 'pico':23 'plus':8B 'plustech':10B 's':5A,17 'squeeze':11B 'tech':9B 'town':4A,16 'towns':6A 'we':19
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['shibuya kei', 'electronic', 'japanese', 'j pop', 'picopop']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'pop']

============================== file details ==============================
                                           'mtime'  1621632219.344902  (2021-05-21 23:23:39)
                             'size'  5983645