======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '165'
                                          'artist'  'Lionel Hampton'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'm In The Mood For Swing (+ Benny Carter)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-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-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fip', 'classic jazz', 'jazz', 'vibraphone', 'big band', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1938'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '93.9'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '93.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1938-07-21'
'TIT2' (Title/songname/content description)         "I'm In The Mood For Swing (+ Benny Carter)"
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '165000'
'TPE1' (Lead performer(s)/Soloist(s))               'Lionel Hampton'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fip', 'classic jazz', 'jazz', 'vibraphone', 'big band', 'swing']
'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'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.87 dB'
'TXXX:replaygain_track_peak'                        '0.531905'

========================== row from database ==========================
                                              'id'  1506898
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1938/Lionel Hampton - I_m In The Mood For Swing (+ Benny Carter) 21-7-1938.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  165
                                           'genre'  prerock-swing
                                        'filesize'  3360691
                                           'mtime'  1620561320
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1938 I_m 21 7 1938 prerock swing
                                      'tag_artist'  Lionel Hampton
                                     'tag_release'  None
                                       'tag_title'  I'm In The Mood For Swing (+ Benny Carter)
                                             'bpm'  93.9
                                    'search_title'  'benny':9 'carter':10,11 'for':7 'i':1 'im':3 'in':4 'm':2 'mood':6 'swing':8 'the':5
                                   'search_artist'  'hampton':2 'lionel':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1938':6 '21':9 '7':10 'country':4 'exotica':2 'i':7 'jazz':1 'm':8 'oldies':3 'prerock':11 'swing':12
                                    'search_combo'  '00oldiepop':18 '1938':19 '21':22 '7':23 'benny':9A 'carter':10A,11A 'country':17 'exotica':15 'for':7A 'hampton':13B 'i':1A,20 'im':3A 'in':4A 'jazz':14 'lionel':12B 'm':2A,21 'mood':6A 'oldies':16 'prerock':24 'swing':8A,25 'the':5A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['fip', 'classic jazz', 'jazz', 'vibraphone', 'big band', 'swing']
                                        'tag_date'  1938
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561320.3314087  (2021-05-09 13:55:20)
                             'size'  3360691