======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '309'
                                          'artist'  'Matsushita Nao'
                                     'text_people'  ''
                                         'release'  'Non-Mainstream Music Sampler 4'
                                           'title'  "Bossa 'Wish'"
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'Q-PIANO-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['piano', 'japanese', 'instrumental', 'female vocalists', 'j-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '106.531'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Non-Mainstream Music Sampler 4'
'TBPM' (BPM (beats per minute))                     '106.531'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         "Bossa 'Wish'"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Matsushita Nao'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['piano', 'japanese', 'instrumental', 'female vocalists', 'j-pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.566510'

========================== row from database ==========================
                                              'id'  1498950
                                            'path'  /data/Music/Bulk/00localcharacter/Non-Mainstream Music Sampler 4/Matsushita Nao - Bossa _Wish_.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  309
                                           'genre'  loc-unsorted
                                        'filesize'  7465438
                                           'mtime'  1620401244
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter _Wish_ loc unsorted
                                      'tag_artist'  Matsushita Nao
                                     'tag_release'  Non-Mainstream Music Sampler 4
                                       'tag_title'  Bossa 'Wish'
                                             'bpm'  106.531
                                    'search_title'  'bossa':1 'wish':2,3
                                   'search_artist'  'matsushita':1 'nao':2
                                  'search_release'  '4':6 'mainstream':2 'music':4 'non':1 'nonmainstream':3 'sampler':5
                                     'search_rest'  'loc':2 'unsorted':3 'wish':1
                                    'search_combo'  '4':11C 'bossa':1A 'loc':13 'mainstream':7C 'matsushita':4B 'music':9C 'nao':5B 'non':6C 'nonmainstream':8C 'sampler':10C 'unsorted':14 'wish':2A,3A,12
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['piano', 'japanese', 'instrumental', 'female vocalists', 'j-pop']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401243.8072336  (2021-05-07 17:27:23)
                             'size'  7465438