======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '141'
                                          'artist'  'Roy Fox'
                                     'text_people'  ''
                                         'release'  'Decca F 3063'
                                           'title'  "Roy Fox's Commentary On Minnie The Moocher's Wedding (v - Al Bowlly)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', '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'  "['american', 'jazz', 'all', 'british', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1932'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '145.8'
                                             'key'  '1A'
                                        '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 F 3063'
'TBPM' (BPM (beats per minute))                     '145.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1932-07-20'
'TIT2' (Title/songname/content description)         "Roy Fox's Commentary On Minnie The Moocher's Wedding (v - Al Bowlly)"
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '141000'
'TPE1' (Lead performer(s)/Soloist(s))               'Roy Fox'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['american', 'jazz', 'all', 'british', 'swing']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.12 dB'
'TXXX:replaygain_track_peak'                        '0.709150'

========================== row from database ==========================
                                              'id'  1499105
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1932/Roy Fox - Roy Fox_s Commentary On Minnie_s Wedding (vocal - Al Bowlly) 20-7-1932.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  141
                                           'genre'  prerock-swing
                                        'filesize'  2902478
                                           'mtime'  1620560137
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1932 Fox_s Minnie_s (vocal 20 7 1932 prerock swing
                                      'tag_artist'  Roy Fox
                                     'tag_release'  Decca F 3063
                                       'tag_title'  Roy Fox's Commentary On Minnie The Moocher's Wedding (v - Al Bowlly)
                                             'bpm'  145.8
                                    'search_title'  'al':15 'bowlly':16,17 'commentary':5 'fox':2 'foxs':4 'minnie':7 'moocher':9 'moochers':11 'on':6 'roy':1 's':3,10 'the':8 'v':13,14 'wedding':12
                                   'search_artist'  'fox':2 'roy':1
                                  'search_release'  '3063':3 'decca':1 'f':2
                                     'search_rest'  '00oldiepop':5 '1932':6 '20':13 '7':14 'country':4 'exotica':2 'fox':7 'jazz':1 'minnie':9 'oldies':3 'prerock':15 's':8,10 'swing':16 'vocal':11,12
                                    'search_combo'  '00oldiepop':27 '1932':28 '20':35 '3063':22C '7':36 'al':15A 'bowlly':16A,17A 'commentary':5A 'country':26 'decca':20C 'exotica':24 'f':21C 'fox':2A,19B,29 'foxs':4A 'jazz':23 'minnie':7A,31 'moocher':9A 'moochers':11A 'oldies':25 'on':6A 'prerock':37 'roy':1A,18B 's':3A,10A,30,32 'swing':38 'the':8A 'v':13A,14A 'vocal':33,34 'wedding':12A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['american', 'jazz', 'all', 'british', 'swing']
                                        'tag_date'  1932
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620560137.0845695  (2021-05-09 13:35:37)
                             'size'  2902478