======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '183'
                                          'artist'  "Willie 'the Lion' Smith"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Nagasaki'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'q-piano-2', 'Q-UNU-1', 'Q-JZFKS-2', "
 "'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-4', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'piano', 'jazz piano', 'stride', 'jazzpiano fathers']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1949'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '130.734'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.734'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1949'
'TIT2' (Title/songname/content description)         'Nagasaki'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "Willie 'the Lion' Smith"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'piano', 'jazz piano', 'stride', 'jazzpiano fathers']
'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'                                      '4'
'TXXX:q-piano'                                      '2'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.00 dB'
'TXXX:replaygain_track_peak'                        '0.397949'

========================== row from database ==========================
                                              'id'  1521727
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1949/Willie _ the Lion _ Smith - Nagasaki 29-1-1949.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  183
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3671698
                                           'mtime'  1620527602
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1949 _ _ 29 1 1949 prerock jb jazz unsorted
                                      'tag_artist'  Willie 'the Lion' Smith
                                     'tag_release'  None
                                       'tag_title'  Nagasaki
                                             'bpm'  130.734
                                    'search_title'  'nagasaki':1
                                   'search_artist'  'lion':4,5 'smith':6 'the':2,3 'willie':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1':8 '1949':6 '29':7 'country':4 'exotica':2 'jazz':1 'jb':10 'oldies':3 'prerock':9 'unsorted':11
                                    'search_combo'  '00oldiepop':12 '1':15 '1949':13 '29':14 'country':11 'exotica':9 'jazz':8 'jb':17 'lion':5B,6B 'nagasaki':1A 'oldies':10 'prerock':16 'smith':7B 'the':3B,4B 'unsorted':18 'willie':2B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-2', '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'piano', 'jazz piano', 'stride', 'jazzpiano fathers']
                                        'tag_date'  1949
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527601.5326827  (2021-05-09 04:33:21)
                             'size'  3671698