======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '163'
                                          'artist'  'Eric Winstone'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "You'd Be So Nice To Come Home To (vocal - Alan Kane)"
                                           '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-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['lounge', 'cartoon library', 'entschleunigen', 'library music', 'easy "
 "listening']")
                                     'discogstags'  "['stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '145.5'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TBPM' (BPM (beats per minute))                     '145.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1943-06-05'
'TIT2' (Title/songname/content description)         "You'd Be So Nice To Come Home To (vocal - Alan Kane)"
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '163000'
'TPE1' (Lead performer(s)/Soloist(s))               'Eric Winstone'
'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:discogstags'                                  'stage & screen'
'TXXX:lastfmtags'                                   ['lounge',
 'cartoon library',
 'entschleunigen',
 'library music',
 'easy listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.565383'

========================== row from database ==========================
                                              'id'  1502247
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/Eric Winstone - You_d Be So Nice To Come Home To (vocal - Alan Kane) 5-6-1943.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  163
                                           'genre'  prerock-unsorted
                                        'filesize'  3316332
                                           'mtime'  1621698067
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 You_d 5 6 1943 prerock unsorted
                                      'tag_artist'  Eric Winstone
                                     'tag_release'  None
                                       'tag_title'  You'd Be So Nice To Come Home To (vocal - Alan Kane)
                                             'bpm'  145.5
                                    'search_title'  'alan':12 'be':4 'come':8 'd':2 'home':9 'kane':13,14 'nice':6 'so':5 'to':7 'vocal':10,11 'you':1 'youd':3
                                   'search_artist'  'eric':1 'winstone':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1943':6 '5':9 '6':10 'country':4 'd':8 'exotica':2 'jazz':1 'oldies':3 'prerock':11 'unsorted':12 'you':7
                                    'search_combo'  '00oldiepop':21 '1943':22 '5':25 '6':26 'alan':12A 'be':4A 'come':8A 'country':20 'd':2A,24 'eric':15B 'exotica':18 'home':9A 'jazz':17 'kane':13A,14A 'nice':6A 'oldies':19 'prerock':27 'so':5A 'to':7A 'unsorted':28 'vocal':10A,11A 'winstone':16B 'you':1A,23 'youd':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           '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-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'cartoon library', 'entschleunigen', 'library music', 'easy listening']
                                        'tag_date'  1943
                                     'discogstags'  ['stage & screen']

============================== file details ==============================
                                           'mtime'  1621698066.7194343  (2021-05-22 17:41:06)
                             'size'  3316332