======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '205'
                                          'artist'  'Nelson Riddle'
                                     'text_people'  ''
                                         'release'  'Capitol T  915'
                                           'title'  'My Isle Of Golden Dreams'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', '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'  "['lounge', 'instrumental', 'jazz', 'illstreet', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '143.011'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Capitol T  915'
'TBPM' (BPM (beats per minute))                     '143.011'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'My Isle Of Golden Dreams'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nelson Riddle'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'instrumental', 'jazz', 'illstreet', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'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'                        '+1.96 dB'
'TXXX:replaygain_track_peak'                        '0.681904'

========================== row from database ==========================
                                              'id'  1444220
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/Nelson Riddle - My Isle Of Golden Dreams 1955.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  205
                                           'genre'  prerock-band
                                        'filesize'  4116274
                                           'mtime'  1620561368
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 prerock band
                                      'tag_artist'  Nelson Riddle
                                     'tag_release'  Capitol T  915
                                       'tag_title'  My Isle Of Golden Dreams
                                             'bpm'  143.011
                                    'search_title'  'dreams':5 'golden':4 'isle':2 'my':1 'of':3
                                   'search_artist'  'nelson':1 'riddle':2
                                  'search_release'  '915':3 'capitol':1 't':2
                                     'search_rest'  '00oldiepop':5 '1955':6 'band':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':15 '1955':16 '915':10C 'band':18 'capitol':8C 'country':14 'dreams':5A 'exotica':12 'golden':4A 'isle':2A 'jazz':11 'my':1A 'nelson':6B 'of':3A 'oldies':13 'prerock':17 'riddle':7B 't':9C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'instrumental', 'jazz', 'illstreet', 'easy listening']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561367.8891711  (2021-05-09 13:56:07)
                             'size'  4116274