======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '204'
                                          'artist'  'Head Phones President'
                                     'text_people'  ''
                                         'release'  'Vary'
                                           'title'  'Furumen'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['metal', 'female vocalists', 'japanese', 'nu metal', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-pop-jrock-visualkei;loc-asia-japan-jrock'
                                             'bpm'  '146.000'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'YEAR: 2003'
'COMM:ID3v1 Comment:XXX'                            'YEAR: 2003'
'COMM:iTunNORM:eng'                                 (' 00000954 00000914 000052A6 0000565C 00027145 00027145 0000724E 000073E6 '
 '00015FBE 00015FBE')
'TALB' (Album/Movie/Show title)                     'Vary'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 ['rock-pop-jrock-visualkei', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'iTunes v4.6.0.15'
'TIT2' (Title/songname/content description)         'Furumen'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Head Phones President'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metal', 'female vocalists', 'japanese', 'nu metal', 'j rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.354260'

========================== row from database ==========================
                                              'id'  1323037
                                            'path'  /data/Music/Bulk/00poprockelectronic/Head Phones President/Vary/05 Furumen.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  204
                                           'genre'  rock-pop-jrock-visualkei;loc-asia-japan-jrock
                                        'filesize'  3274776
                                           'mtime'  1622801884
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 05 rock pop jrock visualkei;loc asia japan jrock
                                      'tag_artist'  Head Phones President
                                     'tag_release'  Vary
                                       'tag_title'  Furumen
                                             'bpm'  146.0
                                    'search_title'  'furumen':1
                                   'search_artist'  'head':1 'phones':2 'president':3
                                  'search_release'  'vary':1
                                     'search_rest'  '00poprockelectronic':1 'asia':9 'japan':10 'jrock':4 'loc':6,8 'pop':3 'rock':2 'visualkei':5,7
                                    'search_combo'  '00poprockelectronic':6 'asia':14 'furumen':1A 'head':2B 'japan':15 'jrock':9 'loc':11,13 'phones':3B 'pop':8 'president':4B 'rock':7 'vary':5C 'visualkei':10,12
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['metal', 'female vocalists', 'japanese', 'nu metal', 'j rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622801884.1645117  (2021-06-04 12:18:04)
                             'size'  3274776