======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '138'
                                          'artist'  'Connie Boswell'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Personality (radio)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['usa', 'oldies', 'jazz', 'female vocalists', '1930s', 'bioshock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1946'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '93.457'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '93.457'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1946'
'TIT2' (Title/songname/content description)         'Personality (radio)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Connie Boswell'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['usa', 'oldies', 'jazz', 'female vocalists', '1930s', 'bioshock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.07 dB'
'TXXX:replaygain_track_peak'                        '0.392760'

========================== row from database ==========================
                                              'id'  1436056
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1946/Connie Boswell - Personality (radio) 1946.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  138
                                           'genre'  prerock-vocal
                                        'filesize'  2774834
                                           'mtime'  1642081227
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1946 1946 prerock vocal
                                      'tag_artist'  Connie Boswell
                                     'tag_release'  None
                                       'tag_title'  Personality (radio)
                                             'bpm'  93.457
                                    'search_title'  'personality':1 'radio':2,3
                                   'search_artist'  'boswell':2 'connie':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1946':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'vocal':8
                                    'search_combo'  '00oldiepop':10 '1946':11 'boswell':5B 'connie':4B 'country':9 'exotica':7 'jazz':6 'oldies':8 'personality':1A 'prerock':12 'radio':2A,3A 'vocal':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['usa', 'oldies', 'jazz', 'female vocalists', '1930s', 'bioshock']
                                        'tag_date'  1946
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642081227.004393  (2022-01-13 14:40:27)
                             'size'  2774834