======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '174'
                                          'artist'  'Josephine Bradley Ballroom Orchestra'
                                     'text_people'  ''
                                         'release'  'Decca M 32333'
                                           'title'  "Au Revoir (J' Attendrai) Foxtrot"
                                           '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-2', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1947'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '115.5'
                                             'key'  '8B'
                                        '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 32333'
'TBPM' (BPM (beats per minute))                     '115.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1947'
'TIT2' (Title/songname/content description)         "Au Revoir (J' Attendrai) Foxtrot"
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '174000'
'TPE1' (Lead performer(s)/Soloist(s))               'Josephine Bradley Ballroom Orchestra'
'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'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.46 dB'
'TXXX:replaygain_track_peak'                        '0.669422'

========================== row from database ==========================
                                              'id'  1518396
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1947/Josephine Bradley Ballroom Orchestra - Au Revoir (J_ Attendrai) foxtrot 1947.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  174
                                           'genre'  prerock-swing
                                        'filesize'  3540115
                                           'mtime'  1620573966
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1947 (J_ foxtrot 1947 prerock swing
                                      'tag_artist'  Josephine Bradley Ballroom Orchestra
                                     'tag_release'  Decca M 32333
                                       'tag_title'  Au Revoir (J' Attendrai) Foxtrot
                                             'bpm'  115.5
                                    'search_title'  'attendrai':5,6 'au':1 'foxtrot':7 'j':3,4 'revoir':2
                                   'search_artist'  'ballroom':3 'bradley':2 'josephine':1 'orchestra':4
                                  'search_release'  '32333':3 'decca':1 'm':2
                                     'search_rest'  '00oldiepop':5 '1947':6 'country':4 'exotica':2 'foxtrot':9 'j':7,8 'jazz':1 'oldies':3 'prerock':10 'swing':11
                                    'search_combo'  '00oldiepop':19 '1947':20 '32333':14C 'attendrai':5A,6A 'au':1A 'ballroom':10B 'bradley':9B 'country':18 'decca':12C 'exotica':16 'foxtrot':7A,23 'j':3A,4A,21,22 'jazz':15 'josephine':8B 'm':13C 'oldies':17 'orchestra':11B 'prerock':24 'revoir':2A 'swing':25
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8B
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1947
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573966.1736705  (2021-05-09 17:26:06)
                             'size'  3540115