======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '176'
                                          'artist'  'Mills Brothers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "130 I'll be around - Mills Brothers (6-11-1943)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'the', 'of', 'and', 'vocal jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '130'
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '90.452'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '90.452'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         "130 I'll be around - Mills Brothers (6-11-1943)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mills Brothers'
'TRCK' (Track number/Position in set)               '130'
'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'                                   ['jazz', 'the', 'of', 'and', 'vocal jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.61 dB'
'TXXX:replaygain_track_peak'                        '0.383132'

========================== row from database ==========================
                                              'id'  1499718
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/130 I_ll be around - Mills Brothers (6-11-1943).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  176
                                           'genre'  prerock-swing
                                        'filesize'  2827935
                                           'mtime'  1620561848
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop I_ll prerock swing
                                      'tag_artist'  Mills Brothers
                                     'tag_release'  None
                                       'tag_title'  130 I'll be around - Mills Brothers (6-11-1943)
                                             'bpm'  90.452
                                    'search_title'  '11':10 '130':1 '1943':11 '6':9 '6111943':12 'around':6 'be':5 'brothers':8 'i':2 'ill':4 'll':3 'mills':7
                                   'search_artist'  'brothers':2 'mills':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'i':6 'jazz':1 'll':7 'oldies':3 'prerock':8 'swing':9
                                    'search_combo'  '00oldiepop':19 '11':10A '130':1A '1943':11A '6':9A '6111943':12A 'around':6A 'be':5A 'brothers':8A,14B 'country':18 'exotica':16 'i':2A,20 'ill':4A 'jazz':15 'll':3A,21 'mills':7A,13B 'oldies':17 'prerock':22 'swing':23
                                    'tag_tracknum'  130
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'the', 'of', 'and', 'vocal jazz']
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561847.5090413  (2021-05-09 14:04:07)
                             'size'  2827935