======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '102'
                                          'artist'  'The DeZurik (Cackle) Sisters'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'The First Whipporwill Song'
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['yodel', 'under 2000 listeners']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '133.403'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'COMM:ID3v1 Comment:XXX'                            'blog.wfmu.org'
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '133.403'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'The First Whipporwill Song'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The DeZurik (Cackle) Sisters'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['yodel', 'under 2000 listeners']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.356782'

========================== row from database ==========================
                                              'id'  949206
                                            'path'  /data/Music/Bulk/sns/The_DeZurik_(Cackle)_Sisters_-_The_First_Whipporwill_Song.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  102
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2504486
                                           'mtime'  1620357128
                                   'redo_metaread'  0
                                        'rest_str'   sns The_DeZurik_(Cackle)_Sisters_ _The_First_Whipporwill_Song set pl shirleyspinoza;set pl mor
                                      'tag_artist'  The DeZurik (Cackle) Sisters
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  The First Whipporwill Song
                                             'bpm'  133.403
                                    'search_title'  'first':2 'song':4 'the':1 'whipporwill':3
                                   'search_artist'  'cackle':3,4 'de':6 'dezurik':2 'sisters':5 'the':1 'zurik':7
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'cackle':4,8,24,27 'de':22 'dezurik':3,7 'first':11 'mor':20 'pl':15 'set':14,17,19 'shirleyspinoza':16,18 'sisters':5,9,25,28 'sns':1 'song':13 'the':2,6,10,21 'whipporwill':12 'zurik':23,26
                                    'search_combo'  'cackle':7B,8B,17,21,37,40 'de':10B,35 'dezurik':6B,16,20 'first':2A,24 'mor':33 'pl':28 'set':27,30,32 'shirley':12C 'shirleyspinoza':29,31 'sisters':9B,18,22,38,41 'sns':14 'song':4A,26 'spinoza':13C 'the':1A,5B,15,19,23,34 'whipporwill':3A,25 'zurik':11B,36,39
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['yodel', 'under 2000 listeners']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620357128.2855554  (2021-05-07 05:12:08)
                             'size'  2504486