======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '215'
                                          'artist'  'Percival Mackey'
                                     'text_people'  ''
                                         'release'  'Piccadilly 288'
                                           'title'  'When The Lilac Blooms Again (vocal - Al Bowlly) -4-1929'
                                           'quals'  ("['Q-JZFKS-2', '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-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz']"
                                     'discogstags'  "['soundtrack', 'musical', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1929'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '140.6'
                                             '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)                     'Piccadilly 288'
'TBPM' (BPM (beats per minute))                     '140.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1929'
'TIT2' (Title/songname/content description)         'When The Lilac Blooms Again (vocal - Al Bowlly) -4-1929'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '215000'
'TPE1' (Lead performer(s)/Soloist(s))               'Percival Mackey'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['soundtrack', 'musical', 'stage & screen']
'TXXX:lastfmtags'                                   'jazz'
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.678099'

========================== row from database ==========================
                                              'id'  1469964
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1929/Percival Mackey - When The Lilac Blooms Again (vocal - Al Bowlly) -4-1929.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  215
                                           'genre'  prerock-unsorted
                                        'filesize'  4372336
                                           'mtime'  1620385798
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop prerock unsorted
                                      'tag_artist'  Percival Mackey
                                     'tag_release'  Piccadilly 288
                                       'tag_title'  When The Lilac Blooms Again (vocal - Al Bowlly) -4-1929
                                             'bpm'  140.6
                                    'search_title'  '1929':12 '4':11 '41929':13 'again':5 'al':8 'blooms':4 'bowlly':9,10 'lilac':3 'the':2 'vocal':6,7 'when':1
                                   'search_artist'  'mackey':2 'percival':1
                                  'search_release'  '288':2 'piccadilly':1
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':6 'unsorted':7
                                    'search_combo'  '00oldiepop':22 '1929':12A '288':17C '4':11A '41929':13A 'again':5A 'al':8A 'blooms':4A 'bowlly':9A,10A 'country':21 'exotica':19 'jazz':18 'lilac':3A 'mackey':15B 'oldies':20 'percival':14B 'piccadilly':16C 'prerock':23 'the':2A 'unsorted':24 'vocal':6A,7A 'when':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz']
                                        'tag_date'  1929
                                     'discogstags'  ['soundtrack', 'musical', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1620385798.11152  (2021-05-07 13:09:58)
                             'size'  4372336