======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '157'
                                          'artist'  'Fang-Teng Lee'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Dreams of Spring at the Riverside'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                     'discogstags'  "['jazz', 'folk, world, & country', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '129.068'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '129.068'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'Dreams of Spring at the Riverside'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Fang-Teng Lee'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'folk, world, & country', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.798615'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.basichipdigitaloddio.com/365/')

========================== row from database ==========================
                                              'id'  949233
                                            'path'  /data/Music/Bulk/sns/Fang-Teng Lee - Sound of Magic Saw - Dreams of Spring at the Riverside.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  157
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  1398106
                                           'mtime'  1621489050
                                   'redo_metaread'  0
                                        'rest_str'   sns Sound Magic Saw set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Fang-Teng Lee
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Dreams of Spring at the Riverside
                                             'bpm'  129.068
                                    'search_title'  'at':4 'dreams':1 'of':2 'riverside':6 'spring':3 'the':5
                                   'search_artist'  'fang':1 'fangteng':3 'lee':4 'teng':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'magic':3 'mor':11 'pl':6 'saw':4 'set':5,8,10 'shirleyspinoza':7,9 'sns':1 'sound':2
                                    'search_combo'  'at':4A 'dreams':1A 'fang':7B 'fangteng':9B 'lee':10B 'magic':15 'mor':23 'of':2A 'pl':18 'riverside':6A 'saw':16 'set':17,20,22 'shirley':11C 'shirleyspinoza':19,21 'sns':13 'sound':14 'spinoza':12C 'spring':3A 'teng':8B 'the':5A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  4B
                                           '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-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  ['jazz', 'folk, world, & country', 'pop']

============================== file details ==============================
                                           'mtime'  1621489049.7805927  (2021-05-20 07:37:29)
                             'size'  1398106