======================== unified (from filesystem) ========================
                                         'bitrate'  '253.723'
                                        'duration'  '15'
                                          'artist'  'Club Foot Orchestra'
                                     'text_people'  ''
                                         'release'  'Sherlock Jr plus Felix The Cat Woos Whoopee'
                                           'title'  'A Private Island'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['11', 'jazz']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'prerock-jb-unsorted'
                                             'bpm'  '84.6'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sherlock Jr plus Felix The Cat Woos Whoopee'
'TBPM' (BPM (beats per minute))                     '84.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-unsorted'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'A Private Island'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Club Foot Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['11', 'jazz']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.00 dB'
'TXXX:replaygain_track_peak'                        '0.718337'

========================== row from database ==========================
                                              'id'  1119166
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/[BRD 053] The Club Foot Orchestra- Sherlock Jr. & Felix The Cat Woos Whoopee/21 - a private island.mp3
                                         'working'  None
                                         'bitrate'  254
                                    'duration_sec'  15
                                           'genre'  prerock-jb-unsorted
                                        'filesize'  495488
                                           'mtime'  1620539156
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [BRD 053] Jr. & 21 private island prerock jb unsorted
                                      'tag_artist'  Club Foot Orchestra
                                     'tag_release'  Sherlock Jr plus Felix The Cat Woos Whoopee
                                       'tag_title'  A Private Island
                                             'bpm'  84.6
                                    'search_title'  'a':1 'island':3 'private':2
                                   'search_artist'  'club':1 'foot':2 'orchestra':3
                                  'search_release'  'cat':6 'felix':4 'jr':2 'plus':3 'sherlock':1 'the':5 'whoopee':8 'woos':7
                                     'search_rest'  '053':3,4 '21':7 'brd':1,2 'island':9 'jb':11 'jr':5,6 'prerock':10 'private':8 'unsorted':12
                                    'search_combo'  '053':17,18 '21':21 'a':1A 'brd':15,16 'cat':12C 'club':4B 'felix':10C 'foot':5B 'island':3A,23 'jb':25 'jr':8C,19,20 'orchestra':6B 'plus':9C 'prerock':24 'private':2A,22 'sherlock':7C 'the':11C 'unsorted':26 'whoopee':14C 'woos':13C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['11', 'jazz']
                                        'tag_date'  1995
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620539155.635008  (2021-05-09 07:45:55)
                             'size'  495488