======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '122'
                                          'artist'  'Charles Daab'
                                     'text_people'  ''
                                         'release'  'Edison 10485'
                                           'title'  'Dance Of The Merry Larks'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', '1910s', 'instrumentals', 'edison', 'dead']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1911'
                                        'comments'  ''
                                           'genre'  'prerock-instrumental;mi-xylophone'
                                             'bpm'  '111.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Edison 10485'
'TBPM' (BPM (beats per minute))                     '111.1'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-instrumental', 'mi-xylophone']
'TDRC' (Recording time)                             '1911'
'TIT2' (Title/songname/content description)         'Dance Of The Merry Larks'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '122000'
'TPE1' (Lead performer(s)/Soloist(s))               'Charles Daab'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', '1910s', 'instrumentals', 'edison', 'dead']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.53 dB'
'TXXX:replaygain_track_peak'                        '0.444054'

========================== row from database ==========================
                                              'id'  1468251
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1911/Charles Daab xylophone - Dance Of The Merry Larks 1911.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  122
                                           'genre'  prerock-instrumental;mi-xylophone
                                        'filesize'  2487758
                                           'mtime'  1620527925
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1911 xylophone 1911 prerock instrumental;mi xylophone
                                      'tag_artist'  Charles Daab
                                     'tag_release'  Edison 10485
                                       'tag_title'  Dance Of The Merry Larks
                                             'bpm'  111.1
                                    'search_title'  'dance':1 'larks':5 'merry':4 'of':2 'the':3
                                   'search_artist'  'charles':1 'daab':2
                                  'search_release'  '10485':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1911':6 'country':4 'exotica':2 'instrumental':9,11 'jazz':1 'mi':10,12 'oldies':3 'prerock':8 'xylophone':7
                                    'search_combo'  '00oldiepop':14 '10485':9C '1911':15 'charles':6B 'country':13 'daab':7B 'dance':1A 'edison':8C 'exotica':11 'instrumental':18,20 'jazz':10 'larks':5A 'merry':4A 'mi':19,21 'of':2A 'oldies':12 'prerock':17 'the':3A 'xylophone':16
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', '1910s', 'instrumentals', 'edison', 'dead']
                                        'tag_date'  1911
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527924.9118893  (2021-05-09 04:38:44)
                             'size'  2487758