======================== unified (from filesystem) ========================
                                         'bitrate'  '141.434'
                                        'duration'  '137'
                                          'artist'  'Billy Vaughn'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Cherry Pink And Apple Blossom '
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'orchestra', '50s', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '119.971'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '119.971'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Cherry Pink And Apple Blossom '
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Vaughn'
'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'                                   ['instrumental', 'orchestra', '50s', 'easy listening']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.703736'

========================== row from database ==========================
                                              'id'  949222
                                            'path'  /data/Music/Bulk/sns/Billy Vaughn - Cherry Pink And Apple Blossom White.mp3
                                         'working'  None
                                         'bitrate'  141
                                    'duration_sec'  137
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2436992
                                           'mtime'  1620356636
                                   'redo_metaread'  0
                                        'rest_str'   sns White set shirleyspinoza;set mor
                                      'tag_artist'  Billy Vaughn
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Cherry Pink And Apple Blossom 
                                             'bpm'  119.971
                                    'search_title'  'and':3 'apple':4 'blossom':5 'cherry':1 'pink':2
                                   'search_artist'  'billy':1 'vaughn':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':8 'set':3,5,7 'shirleyspinoza':4,6 'sns':1 'white':2
                                    'search_combo'  'and':3A 'apple':4A 'billy':6B 'blossom':5A 'cherry':1A 'mor':17 'pink':2A 'set':12,14,16 'shirley':8C 'shirleyspinoza':13,15 'sns':10 'spinoza':9C 'vaughn':7B 'white':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'orchestra', '50s', 'easy listening']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356636.2001307  (2021-05-07 05:03:56)
                             'size'  2436992