======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '166'
                                          'artist'  'Dick Hyman'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Ob-La-Di, Ob-La-Da'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['moog', 'jazz', 'lounge', 'space age pop', 'piano', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '136.092'
                                             'key'  '6B'
                                        '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))                     '136.092'
'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)         'Ob-La-Di, Ob-La-Da'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Hyman'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['moog', 'jazz', 'lounge', 'space age pop', 'piano', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.731236'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.basichipdigitaloddio.com/365/')

========================== row from database ==========================
                                              'id'  948998
                                            'path'  /data/Music/Bulk/sns/dick hyman - Ob-La-Di, Ob-La-Da.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  166
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  1470053
                                           'mtime'  1620357248
                                   'redo_metaread'  0
                                        'rest_str'   sns dick hyman set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Dick Hyman
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Ob-La-Di, Ob-La-Da
                                             'bpm'  136.092
                                    'search_title'  'da':7 'di':3 'la':2,6 'ob':1,5 'oblada':8 'obladi':4
                                   'search_artist'  'dick':1 'hyman':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'dick':2 'hyman':3 'mor':10 'pl':5 'set':4,7,9 'shirleyspinoza':6,8 'sns':1
                                    'search_combo'  'da':7A 'di':3A 'dick':9B,14 'hyman':10B,15 'la':2A,6A 'mor':22 'ob':1A,5A 'oblada':8A 'obladi':4A 'pl':17 'set':16,19,21 'shirley':11C 'shirleyspinoza':18,20 'sns':13 'spinoza':12C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6B
                                           '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-4', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['moog', 'jazz', 'lounge', 'space age pop', 'piano', 'electronic']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620357248.3761113  (2021-05-07 05:14:08)
                             'size'  1470053