======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '124'
                                          'artist'  'Billy Vaughn / Billy Vaughn / Billy Vaughn'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '86.659'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Slow'
'COMM:MusicMatch_Mood:XXX'                          'Mellow'
'COMM:MusicMatch_Path:XXX'                          ("C:\\Program Files\\MusicMatch Jukebox 3\\Music\\Tumblin' Tumbleweeds_Billy "
 'Vaughn.mp3')
'COMM:MusicMatch_Preference:XXX'                    'Excellent'
'COMM:MusicMatch_Serial:XXX'                        '8B31DF'
'COMM:MusicMatch_Situation:XXX'                     'Background'
'COMM:MusicMatch_Tempo:XXX'                         'Slow'
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '86.659'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '123000'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Vaughn / Billy Vaughn / Billy Vaughn'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:TITLE'                                        "Tumblin' Tumbleweeds"
'TXXX:q-bass'                                       '3'
'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'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.637551'

========================== row from database ==========================
                                              'id'  1499635
                                            'path'  /data/Music/Bulk/sns/Billy Vaughn - Tumblin_ Tumbleweeds.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  124
                                           'genre'  prerock-jb-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  1992313
                                           'mtime'  1620541821
                                   'redo_metaread'  0
                                        'rest_str'   sns Tumblin_ Tumbleweeds prerock jb unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Billy Vaughn / Billy Vaughn / Billy Vaughn
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  None
                                             'bpm'  86.659
                                    'search_title'  None
                                   'search_artist'  'billy':1 'vaughn':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'jb':5 'mor':15 'pl':10 'prerock':4 'set':7,9,12,14 'shirleyspinoza':11,13 'sns':1 'tumbleweeds':3 'tumblin':2 'unsorted':6,8
                                    'search_combo'  'billy':1B 'jb':9 'mor':19 'pl':14 'prerock':8 'set':11,13,16,18 'shirley':3C 'shirleyspinoza':15,17 'sns':5 'spinoza':4C 'tumbleweeds':7 'tumblin':6 'unsorted':10,12 'vaughn':2B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-piano-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541820.7185383  (2021-05-09 08:30:20)
                             'size'  1992313