======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '181'
                                          'artist'  'noodles'
                                     'text_people'  ''
                                         'release'  'Ivy'
                                           'title'  'April'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'rock', 'j indie', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted;set-pl-sced'
                                             'bpm'  '127.444'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '#japan-music'
'COMM:iTunNORM:eng'                                 (' 0000303F 00002C05 000088F6 000072C2 00015FA7 00009C57 00008000 00008000 '
 '00015F90 00015F90')
'TALB' (Album/Movie/Show title)                     'Ivy'
'TBPM' (BPM (beats per minute))                     '127.444'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-unsorted', 'set-pl-sced']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'April'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'noodles'
'TPE2' (Band/orchestra/accompaniment)               'noodles'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'rock', 'j indie', 'japanese', 'j rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.272955'

========================== row from database ==========================
                                              'id'  437330
                                            'path'  /data/Music/Bulk/00dwimp/noodles/[2005] Ivy/04 April.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  181
                                           'genre'  ifs-songwriter-indie-unsorted;set-pl-sced
                                        'filesize'  7258085
                                           'mtime'  1642256290
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp [2005] 04 ifs songwriter indie unsorted;set pl sced
                                      'tag_artist'  noodles
                                     'tag_release'  Ivy
                                       'tag_title'  April
                                             'bpm'  127.444
                                    'search_title'  'april':1
                                   'search_artist'  'noodles':1
                                  'search_release'  'ivy':1
                                     'search_rest'  '00dwimp':1 '2005':2,3 'ifs':4 'indie':6 'pl':11 'sced':12 'set':8,10 'songwriter':5 'unsorted':7,9
                                    'search_combo'  '00dwimp':4 '2005':5,6 'april':1A 'ifs':7 'indie':9 'ivy':3C 'noodles':2B 'pl':14 'sced':15 'set':11,13 'songwriter':8 'unsorted':10,12
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['indie', 'rock', 'j indie', 'japanese', 'j rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256289.7681193  (2022-01-15 15:18:09)
                             'size'  7258085