======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '184'
                                          'artist'  'Roy Fox'
                                     'text_people'  ''
                                         'release'  'Decca F 3881'
                                           'title'  "Shut The Door (They're Coming Through The Window) (v - Sid Buckman)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', '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'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '128.495'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Decca F 3881'
'TBPM' (BPM (beats per minute))                     '128.495'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         "Shut The Door (They're Coming Through The Window) (v - Sid Buckman)"
'TKEY' (Initial key)                                '10A'
'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'                                       '4'
'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'                        '+2.22 dB'
'TXXX:replaygain_track_peak'                        '0.549040'

========================== row from database ==========================
                                              'id'  1519916
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Roy Fox - Shut The Door (They_re Coming Through The Window) (v - Sid Buckman) 4-2-1934.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  184
                                           'genre'  prerock-swing
                                        'filesize'  3688242
                                           'mtime'  1620560593
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 (They_re 4 2 1934 prerock swing
                                      'tag_artist'  Roy Fox
                                     'tag_release'  Decca F 3881
                                       'tag_title'  Shut The Door (They're Coming Through The Window) (v - Sid Buckman)
                                             'bpm'  128.495
                                    'search_title'  'buckman':14,15 'coming':7 'door':3 're':5 'shut':1 'sid':13 'the':2 'they':4 'theyre':6 'through':8 'v':11,12 'window':9,10
                                   'search_artist'  'fox':2 'roy':1
                                  'search_release'  '3881':3 'decca':1 'f':2
                                     'search_rest'  '00oldiepop':5 '1934':6 '2':12 '4':11 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':13 're':8,10 'swing':14 'they':7,9
                                    'search_combo'  '00oldiepop':25 '1934':26 '2':32 '3881':20C '4':31 'buckman':14A,15A 'coming':7A 'country':24 'decca':18C 'door':3A 'exotica':22 'f':19C 'fox':17B 'jazz':21 'oldies':23 'prerock':33 're':5A,28,30 'roy':16B 'shut':1A 'sid':13A 'swing':34 'the':2A 'they':4A,27,29 'theyre':6A 'through':8A 'v':11A,12A 'window':9A,10A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           '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-4', 'q-grit-1']
                                      'lastfmtags'  ['american', 'jazz', 'all', 'british', 'swing']
                                        'tag_date'  1934
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620560593.065722  (2021-05-09 13:43:13)
                             'size'  3688242