======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '253'
                                          'artist'  'MONGOL 800'
                                     'text_people'  ''
                                         'release'  'Momo'
                                           'title'  'Aruga Mama'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'j-rock', 'punk', 'j-punk', 'okinawa']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '116.992'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::\x00\x00\x00'                                '                            '
'TALB' (Album/Movie/Show title)                     'Momo'
'TBPM' (BPM (beats per minute))                     '116.992'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Aruga Mama'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'MONGOL 800'
'TPE2' (Band/orchestra/accompaniment)               'MONGOL 800'
'TPUB' (Publisher)                                  'ƒnƒCƒEƒF\x81[ƒu'
'TRCK' (Track number/Position in set)               '5'
'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'                                   ['japanese', 'j-rock', 'punk', 'j-punk', 'okinawa']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.438180'

========================== row from database ==========================
                                              'id'  1238344
                                            'path'  /data/Music/Bulk/00localcharacter/MONGOL 800/Momo/5.Aruga Mama.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  253
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  4057627
                                           'mtime'  1637020156
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 5.Aruga loc asia japan;loc asia japan jrock
                                      'tag_artist'  MONGOL 800
                                     'tag_release'  Momo
                                       'tag_title'  Aruga Mama
                                             'bpm'  116.992
                                    'search_title'  'aruga':1 'mama':2
                                   'search_artist'  '800':2 'mongol':1
                                  'search_release'  'momo':1
                                     'search_rest'  '5':1 '5aruga':3 'aruga':2 'asia':5 'japan':6,8,10 'jrock':11 'loc':4,7,9
                                    'search_combo'  '5':6 '5aruga':8 '800':4B 'aruga':1A,7 'asia':10 'japan':11,13,15 'jrock':16 'loc':9,12,14 'mama':2A 'momo':5C 'mongol':3B
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'j-rock', 'punk', 'j-punk', 'okinawa']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637020155.9613664  (2021-11-16 00:49:15)
                             'size'  4057627