======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '1380'
                                          'artist'  'Somei Satoh / Somei Satoh'
                                     'text_people'  ''
                                         'release'  'Mandara Trilogy'
                                           'title'  'Tantra'
                                           'quals'  ("['Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '125.0'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'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')
'PRIV:WM/Provider:M\x00u\x00z\x00e\x00\x00\x00'     PRIV(owner='WM/Provider', data=b'M\x00u\x00z\x00e\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x9a3\x87\x95ÆÒÀF\x98ß«:¦+\x88è'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x9a3\x87\x95\xc6\xd2\xc0F\x98\xdf\xab:\xa6+\x88\xe8')
'PRIV:WM/WMCollectionID:\x9a3\x87\x95ÆÒÀF\x98ß«:¦+\x88è'  PRIV(owner='WM/WMCollectionID', data=b'\x9a3\x87\x95\xc6\xd2\xc0F\x98\xdf\xab:\xa6+\x88\xe8')
'PRIV:WM/WMContentID:\x15ó\x81²¹ZAM¦qFz9\x17¬\x7f'  PRIV(owner='WM/WMContentID', data=b'\x15\xf3\x81\xb2\xb9ZAM\xa6qFz9\x17\xac\x7f')
'TALB' (Album/Movie/Show title)                     'Mandara Trilogy'
'TBPM' (BPM (beats per minute))                     '125.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Tantra'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Somei Satoh'
'TPE2' (Band/orchestra/accompaniment)               'Somei Satoh / Somei Satoh'
'TPUB' (Publisher)                                  'New Albion'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tool Name'                                    'Media Center'
'TXXX:Tool Version'                                 '15.0.95'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.23 dB'
'TXXX:replaygain_track_peak'                        '0.901883'

========================== row from database ==========================
                                              'id'  727356
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/mandara trilogy (satoh)/somei satoh - mandara trilogy -  03 - tantra.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  1380
                                           'genre'  loc-asia-japan
                                        'filesize'  33142825
                                           'mtime'  1620477447
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm mandara trilogy (satoh) somei satoh mandara trilogy 03 tantra loc asia japan
                                      'tag_artist'  Somei Satoh / Somei Satoh
                                     'tag_release'  Mandara Trilogy
                                       'tag_title'  Tantra
                                             'bpm'  125.0
                                    'search_title'  'tantra':1
                                   'search_artist'  'satoh':2 'somei':1
                                  'search_release'  'mandara':1 'trilogy':2
                                     'search_rest'  'asia':8 'japan':9 'loc':7 'mandara':1 'satoh':3,4 'somei':5 'tantra':6 'trilogy':2
                                    'search_combo'  'asia':13 'japan':14 'loc':12 'mandara':4C,6 'satoh':3B,8,9 'somei':2B,10 'tantra':1A,11 'trilogy':5C,7
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620477447.253151  (2021-05-08 14:37:27)
                             'size'  33142825