======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '175'
                                          'artist'  'The Simpsons'
                                     'text_people'  ''
                                         'release'  'Songs in the Key of Springfield'
                                           'title'  ("'Round Springfield (Medley):Bleeding Gums Blues;Four-Headed King;There She "
 'Sits, Brokenhearted;Jazzman')
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '-1'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '118.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Songs in the Key of Springfield'
'TBPM' (BPM (beats per minute))                     '118.6'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         ("'Round Springfield (Medley):Bleeding Gums Blues;Four-Headed King;There She "
 'Sits, Brokenhearted;Jazzman')
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Simpsons'
'TRCK' (Track number/Position in set)               '5/-1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.569329'

========================== row from database ==========================
                                              'id'  1510694
                                            'path'  /data/Music/Bulk/00spent/The Simpsons - Songs in the Key of Springfield - Childrens Music/The Simpsons - _Round Springfield (Medley)_Bleeding Gums Blues_Four-Headed King_There She Sits, B.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  175
                                           'genre'  soundtrack-video
                                        'filesize'  4228039
                                           'mtime'  1678463981
                                   'redo_metaread'  0
                                        'rest_str'   00spent Childrens Music _Round (Medley)_Bleeding Blues_Four King_There soundtrack video
                                      'tag_artist'  The Simpsons
                                     'tag_release'  Songs in the Key of Springfield
                                       'tag_title'  'Round Springfield (Medley):Bleeding Gums Blues;Four-Headed King;There She Sits, Brokenhearted;Jazzman
                                             'bpm'  118.6
                                    'search_title'  'bleeding':5 'blues':8,11 'brokenhearted':20,22 'four':9 'fourheaded':12 'gums':7 'headed':10 'jazzman':21,23 'king':13,15 'medley':4 'medleybleeding':6 'round':1,2 'she':17 'sits':18,19 'springfield':3 'there':14,16
                                   'search_artist'  'simpsons':2 'the':1
                                  'search_release'  'in':2 'key':4 'of':5 'songs':1 'springfield':6 'the':3
                                     'search_rest'  '00spent':1 'bleeding':6,8 'blues':9 'childrens':2 'four':10 'king':11 'medley':5,7 'music':3 'round':4 'soundtrack':13 'there':12 'video':14
                                    'search_combo'  '00spent':32 'bleeding':5A,37,39 'blues':8A,11A,40 'brokenhearted':20A,22A 'childrens':33 'four':9A,41 'fourheaded':12A 'gums':7A 'headed':10A 'in':27C 'jazzman':21A,23A 'key':29C 'king':13A,15A,42 'medley':4A,36,38 'medleybleeding':6A 'music':34 'of':30C 'round':1A,2A,35 'she':17A 'simpsons':25B 'sits':18A,19A 'songs':26C 'soundtrack':44 'springfield':3A,31C 'the':24B,28C 'there':14A,16A,43 'video':45
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'Q-PIANO-2', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'funny', 'comedy', 'cartoon', 'tv']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678463980.7862766  (2023-03-10 16:59:40)
                             'size'  4228039