======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '208'
                                          'artist'  'Billy Murray & Walter van Brunt'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Painting The Clouds With Sunshine 1929'
                                           '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-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1929'
                                        'comments'  ''
                                           'genre'  'prerock-vaudeville'
                                             'bpm'  '89.5'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '89.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vaudeville'
'TDRC' (Recording time)                             '1929'
'TIT2' (Title/songname/content description)         'Painting The Clouds With Sunshine 1929'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '208000'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Murray & Walter van Brunt'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.17 dB'
'TXXX:replaygain_track_peak'                        '0.550915'

========================== row from database ==========================
                                              'id'  1461997
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1929/Billy Murray & Walter van Brunt - Painting The Clouds With Sunshine 1929.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  208
                                           'genre'  prerock-vaudeville
                                        'filesize'  4225589
                                           'mtime'  1620666405
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop prerock vaudeville
                                      'tag_artist'  Billy Murray & Walter van Brunt
                                     'tag_release'  None
                                       'tag_title'  Painting The Clouds With Sunshine 1929
                                             'bpm'  89.5
                                    'search_title'  '1929':6 'clouds':3 'painting':1 'sunshine':5 'the':2 'with':4
                                   'search_artist'  'billy':1 'brunt':5 'murray':2 'van':4 'walter':3
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':6 'vaudeville':7
                                    'search_combo'  '00oldiepop':16 '1929':6A 'billy':7B 'brunt':11B 'clouds':3A 'country':15 'exotica':13 'jazz':12 'murray':8B 'oldies':14 'painting':1A 'prerock':17 'sunshine':5A 'the':2A 'van':10B 'vaudeville':18 'walter':9B 'with':4A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1929
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666404.6236076  (2021-05-10 19:06:44)
                             'size'  4225589