======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '193'
                                          'artist'  'Dick Willebrandts'
                                     'text_people'  ''
                                         'release'  'Decca M 32281'
                                           'title'  'Piano Medley No 2 (part 2)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1947'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '142.8'
                                             '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)                     'Decca M 32281'
'TBPM' (BPM (beats per minute))                     '142.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1947-09'
'TIT2' (Title/songname/content description)         'Piano Medley No 2 (part 2)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '193000'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Willebrandts'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'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'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.67 dB'
'TXXX:replaygain_track_peak'                        '0.646632'

========================== row from database ==========================
                                              'id'  1473779
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1947/Dick Willebrandts - Piano Medley No 2 (part 2) -9-1947.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  193
                                           'genre'  prerock-vocal
                                        'filesize'  3913357
                                           'mtime'  1620666511
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1947 9 1947 prerock vocal
                                      'tag_artist'  Dick Willebrandts
                                     'tag_release'  Decca M 32281
                                       'tag_title'  Piano Medley No 2 (part 2)
                                             'bpm'  142.8
                                    'search_title'  '2':4,7 'medley':2 'no':3 'part':5,6 'piano':1
                                   'search_artist'  'dick':1 'willebrandts':2
                                  'search_release'  '32281':3 'decca':1 'm':2
                                     'search_rest'  '00oldiepop':5 '1947':6 '9':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':17 '1947':18 '2':4A,7A '32281':12C '9':19 'country':16 'decca':10C 'dick':8B 'exotica':14 'jazz':13 'm':11C 'medley':2A 'no':3A 'oldies':15 'part':5A,6A 'piano':1A 'prerock':20 'vocal':21 'willebrandts':9B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1947
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666511.2865338  (2021-05-10 19:08:31)
                             'size'  3913357