======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '176'
                                          'artist'  'Vera Lynn'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Don't Cry My Love (The Faithful Hussar)"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'jazz', 'female vocalists', 'british', '40s', 'wartime']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '296'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '139.370'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '139.370'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         "Don't Cry My Love (The Faithful Hussar)"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Vera Lynn'
'TRCK' (Track number/Position in set)               '296'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'jazz', 'female vocalists', 'british', '40s', 'wartime']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+3.40 dB'
'TXXX:replaygain_track_peak'                        '0.500953'

========================== row from database ==========================
                                              'id'  1503664
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-296 - Vera Lynn - Don_t Cry My Love (The Faithful Hussar).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  176
                                           'genre'  prerock-vocal
                                        'filesize'  7071976
                                           'mtime'  1676152141
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 296 Don_t prerock vocal
                                      'tag_artist'  Vera Lynn
                                     'tag_release'  None
                                       'tag_title'  Don't Cry My Love (The Faithful Hussar)
                                             'bpm'  139.37
                                    'search_title'  'cry':4 'don':1 'dont':3 'faithful':9 'hussar':10,11 'love':6 'my':5 't':2 'the':7,8
                                   'search_artist'  'lynn':2 'vera':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1957':6 '296':7 'country':4 'don':8 'exotica':2 'jazz':1 'oldies':3 'prerock':10 't':9 'vocal':11
                                    'search_combo'  '00oldiepop':18 '1957':19 '296':20 'country':17 'cry':4A 'don':1A,21 'dont':3A 'exotica':15 'faithful':9A 'hussar':10A,11A 'jazz':14 'love':6A 'lynn':13B 'my':5A 'oldies':16 'prerock':23 't':2A,22 'the':7A,8A 'vera':12B 'vocal':24
                                    'tag_tracknum'  296
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['oldies', 'jazz', 'female vocalists', 'british', '40s', 'wartime']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676152141.443  (2023-02-11 22:49:01)
                             'size'  7071976