======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '189'
                                          'artist'  'MacDonald Duck Eclair'
                                     'text_people'  ''
                                         'release'  'Short Short'
                                           'title'  'Perpetuel'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['mizca', 'shibuya kei', 'electronic', 'japanese', 'picopop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico;loc-asia-japan'
                                             'bpm'  '99.080'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00003402 00001DBF 000129FD'
'COMM:iTunNORM:eng'                                 (' 00003402 00001DBF 000129FD 00006F7D 00006ABC 0001985E 0000832B 00008496 '
 '00008A78 00019605')
'TALB' (Album/Movie/Show title)                     'Short Short'
'TBPM' (BPM (beats per minute))                     '99.080'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-beeps or chip or pico', 'loc-asia-japan']
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'iTunes v4.6.0.15'
'TIT2' (Title/songname/content description)         'Perpetuel'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'MacDonald Duck Eclair'
'TPE2' (Band/orchestra/accompaniment)               'MacDonald Duck Eclair'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['mizca', 'shibuya kei', 'electronic', 'japanese', 'picopop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.05 dB'
'TXXX:replaygain_track_peak'                        '0.429365'

========================== row from database ==========================
                                              'id'  925784
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/MacDonald Duck Eclair/[2004] Short Short/10 Perpetuel.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  189
                                           'genre'  electronic-we-beeps or chip or pico;loc-asia-japan
                                        'filesize'  3048095
                                           'mtime'  1620587009
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2004] 10 electronic we beeps chip pico;loc asia japan
                                      'tag_artist'  MacDonald Duck Eclair
                                     'tag_release'  Short Short
                                       'tag_title'  Perpetuel
                                             'bpm'  99.08
                                    'search_title'  'perpetuel':1
                                   'search_artist'  'donald':5 'duck':2 'eclair':3 'mac':4 'macdonald':1
                                  'search_release'  'short':1
                                     'search_rest'  '00asia':1 '2004':2,3 'asia':12 'beeps':6 'chip':7 'electronic':4 'japan':13 'loc':9,11 'pico':8,10 'we':5
                                    'search_combo'  '00asia':8 '2004':9,10 'asia':19 'beeps':13 'chip':14 'donald':6B 'duck':3B 'eclair':4B 'electronic':11 'japan':20 'loc':16,18 'mac':5B 'macdonald':2B 'perpetuel':1A 'pico':15,17 'short':7C 'we':12
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', '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-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['mizca', 'shibuya kei', 'electronic', 'japanese', 'picopop']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620587009.1582096  (2021-05-09 21:03:29)
                             'size'  3048095