======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '187'
                                          'artist'  'HENRY HALL ORCH'
                                     'text_people'  ''
                                         'release'  '20s and 30s popular'
                                           'title'  ('Henry Hall With The BBC Dance Orchestra / Does Santa Claus Sleep With His '
 'Whiskers Over Or Under The Sheets?')
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '117.127'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '20s and 30s popular'
'TBPM' (BPM (beats per minute))                     '117.127'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         ('Henry Hall With The BBC Dance Orchestra / Does Santa Claus Sleep With His '
 'Whiskers Over Or Under The Sheets?')
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '187768'
'TPE1' (Lead performer(s)/Soloist(s))               'HENRY HALL ORCH'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+1.84 dB'
'TXXX:replaygain_track_peak'                        '0.554066'

========================== row from database ==========================
                                              'id'  1518649
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Henry Hall_s BBC Dance Orchestra - Does Santa Claus Sleep With His Whiskers Over Or Under the sheets.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  187
                                           'genre'  prerock-swing
                                        'filesize'  2641494
                                           'mtime'  1620559621
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s 1930s Hall_s the sheets prerock swing
                                      'tag_artist'  HENRY HALL ORCH
                                     'tag_release'  20s and 30s popular
                                       'tag_title'  Henry Hall With The BBC Dance Orchestra / Does Santa Claus Sleep With His Whiskers Over Or Under The Sheets?
                                             'bpm'  117.127
                                    'search_title'  'bbc':5 'claus':10 'dance':6 'does':8 'hall':2 'henry':1 'his':12 'or':15 'orchestra':7 'over':14 'santa':9 'sheets':17 'sleep':11 'the':4 'under':16 'whiskers':13 'with':3
                                   'search_artist'  'hall':2 'henry':1 'orch':3
                                  'search_release'  '20s':1 '30s':3 'and':2 'popular':4
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':7 'country':4 'exotica':2 'hall':8 'jazz':1 'oldies':3 'prerock':12 's':9 'sheets':11 'swing':13 'the':10
                                    'search_combo'  '00oldiepop':29 '1920s':30 '1930s':31 '20s':21C '30s':23C 'and':22C 'bbc':5A 'claus':10A 'country':28 'dance':6A 'does':8A 'exotica':26 'hall':2A,19B,32 'henry':1A,18B 'his':12A 'jazz':25 'oldies':27 'or':15A 'orch':20B 'orchestra':7A 'over':14A 'popular':24C 'prerock':36 's':33 'santa':9A 'sheets':17A,35 'sleep':11A 'swing':37 'the':4A,34 'under':16A 'whiskers':13A 'with':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9B
                                           '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-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559621.0514078  (2021-05-09 13:27:01)
                             'size'  2641494