======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '172'
                                          'artist'  'Chiemi Eri'
                                     'text_people'  ''
                                         'release'  'no title'
                                           'title'  'KURODA-BUSHI'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['japan', 'big band', 'jazz', 'japanese', 'enka']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '122.363'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'8\x00+\x009\x006\x00+\x002\x00E\x00B\x00C\x00+\x006\x00C\x00F\x00F\x00+\x009\x00F\x00A\x001\x00+\x00D\x006\x000\x00C\x00+\x001\x001\x002\x00A\x00E\x00+\x001\x004\x00D\x002\x00C\x00+\x001\x008\x003\x000\x000\x00+\x001\x00B\x004\x00D\x000\x00\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'no title'
'TBPM' (BPM (beats per minute))                     '122.363'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'BELLYBONGO.COM'
'TIT2' (Title/songname/content description)         'KURODA-BUSHI'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '172826'
'TPE1' (Lead performer(s)/Soloist(s))               'Chiemi Eri'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['japan', 'big band', 'jazz', 'japanese', 'enka']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.600698'

========================== row from database ==========================
                                              'id'  1392588
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Japanese/Chiemi_Eri_KURODA-BUSHI.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  172
                                           'genre'  loc-asia-japan
                                        'filesize'  4843520
                                           'mtime'  1637933565
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Japanese Chiemi_Eri_KURODA loc asia japan
                                      'tag_artist'  Chiemi Eri
                                     'tag_release'  no title
                                       'tag_title'  KURODA-BUSHI
                                             'bpm'  122.363
                                    'search_title'  'bushi':2 'kuroda':1 'kurodabushi':3
                                   'search_artist'  'chiemi':1 'eri':2
                                  'search_release'  'no':1 'title':2
                                     'search_rest'  '00asia':1 'asia':7 'chiemi':3 'eri':4 'japan':8 'japanese':2 'kuroda':5 'loc':6
                                    'search_combo'  '00asia':8 'asia':14 'bushi':2A 'chiemi':4B,10 'eri':5B,11 'japan':15 'japanese':9 'kuroda':1A,12 'kurodabushi':3A 'loc':13 'no':6C 'title':7C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['japan', 'big band', 'jazz', 'japanese', 'enka']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637933564.5009377  (2021-11-26 14:32:44)
                             'size'  4843520