======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '192'
                                          'artist'  'Count Basie & His Orchestra & Jimmy Rushing'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ('175 For the good of your country - Count Basie & His Orchestra & Jimmy '
 'Rushing (22-01-1944)')
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-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-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '175'
                                      'tracktotal'  ''
                                            'date'  '1944'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '101.921'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '101.921'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1944'
'TIT2' (Title/songname/content description)         ('175 For the good of your country - Count Basie & His Orchestra & Jimmy '
 'Rushing (22-01-1944)')
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Count Basie & His Orchestra & Jimmy Rushing'
'TRCK' (Track number/Position in set)               '175'
'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:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.411260'

========================== row from database ==========================
                                              'id'  1455232
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/175 For the good of your country - Count Basie & His Orchestra & Jimmy Rushing (22-01-1944).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  192
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3082472
                                           'mtime'  1620527439
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies 00oldiepop 1943 prerock jb jazz unsorted
                                      'tag_artist'  Count Basie & His Orchestra & Jimmy Rushing
                                     'tag_release'  None
                                       'tag_title'  175 For the good of your country - Count Basie & His Orchestra & Jimmy Rushing (22-01-1944)
                                             'bpm'  101.921
                                    'search_title'  '01':15 '175':1 '1944':16 '22':14 '22011944':17 'basie':9 'count':8 'country':7 'for':2 'good':4 'his':10 'jimmy':12 'of':5 'orchestra':11 'rushing':13 'the':3 'your':6
                                   'search_artist'  'basie':2 'count':1 'his':3 'jimmy':5 'orchestra':4 'rushing':6
                                  'search_release'  
                                     'search_rest'  '00oldiepop':4 '1943':5 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'unsorted':8
                                    'search_combo'  '00oldiepop':27 '01':15A '175':1A '1943':28 '1944':16A '22':14A '22011944':17A 'basie':9A,19B 'count':8A,18B 'country':7A 'exotica':25 'for':2A 'good':4A 'his':10A,20B 'jazz':24 'jb':30 'jimmy':12A,22B 'of':5A 'oldies':26 'orchestra':11A,21B 'prerock':29 'rushing':13A,23B 'the':3A 'unsorted':31 'your':6A
                                    'tag_tracknum'  175
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1944
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527439.4242382  (2021-05-09 04:30:39)
                             'size'  3082472