======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '223'
                                          'artist'  'Oowa Yoshio'
                                     'text_people'  ''
                                         'release'  "NieA 7 - NieA's Loco"
                                           'title'  'Like a hula blues'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'blues', 'anime', 'folk', 'japanese']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '114.3'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=204, count=0)
'TALB' (Album/Movie/Show title)                     "NieA 7 - NieA's Loco"
'TBPM' (BPM (beats per minute))                     '114.3'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Like a hula blues'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Oowa Yoshio'
'TPE2' (Band/orchestra/accompaniment)               'Oowa Yoshio'
'TRCK' (Track number/Position in set)               '7'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'blues', 'anime', 'folk', 'japanese']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.98 dB'
'TXXX:replaygain_track_peak'                        '0.614840'

========================== row from database ==========================
                                              'id'  1476103
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/NieA_7/07_LIKE_A_HULA_BLUES.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  223
                                           'genre'  soundtrack-video
                                        'filesize'  3575780
                                           'mtime'  1636923444
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia NieA_7 07_LIKE_A_HULA_BLUES soundtrack video
                                      'tag_artist'  Oowa Yoshio
                                     'tag_release'  NieA 7 - NieA's Loco
                                       'tag_title'  Like a hula blues
                                             'bpm'  114.3
                                    'search_title'  'a':2 'blues':4 'hula':3 'like':1
                                   'search_artist'  'oowa':1 'yoshio':2
                                  'search_release'  '7':2 'a':8,9 'as':11 'loco':6 'nie':7 'niea':1,3 'nieas':5 's':4,10
                                     'search_rest'  '00asia':1 '07':4 '7':3,13 'a':6,12 'blues':8 'hula':7 'like':5 'nie':11 'niea':2 'soundtrack':9 'video':10
                                    'search_combo'  '00asia':18 '07':21 '7':8C,20,30 'a':2A,14C,15C,23,29 'as':17C 'blues':4A,25 'hula':3A,24 'like':1A,22 'loco':12C 'nie':13C,28 'niea':7C,9C,19 'nieas':11C 'oowa':5B 's':10C,16C 'soundtrack':26 'video':27 'yoshio':6B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'blues', 'anime', 'folk', 'japanese']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636923443.701487  (2021-11-14 21:57:23)
                             'size'  3575780