======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '936'
                                          'artist'  'Spooky Sound Effects'
                                     'text_people'  ''
                                         'release'  'Spooky Sound Effects'
                                           'title'  ('Storm, Dog Howling, Footsteps With Chains, Goblins Laughing, Chinese Gong, '
 'Moaning Cats, Cats, Laughing Witches, Screaming, Storm, Wind, Cats, Dogs, '
 'Squeaking Door')
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['animals']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '145.2'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'TALB' (Album/Movie/Show title)                     'Spooky Sound Effects'
'TBPM' (BPM (beats per minute))                     '145.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         ('Storm, Dog Howling, Footsteps With Chains, Goblins Laughing, Chinese Gong, '
 'Moaning Cats, Cats, Laughing Witches, Screaming, Storm, Wind, Cats, Dogs, '
 'Squeaking Door')
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Spooky Sound Effects'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'animals'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.53 dB'
'TXXX:replaygain_track_peak'                        '0.687224'

========================== row from database ==========================
                                              'id'  660161
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/304_1_Spooky_Sound_Effects_-_Side_1.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  936
                                           'genre'  electronic-unsorted
                                        'filesize'  23185247
                                           'mtime'  1620515932
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 304_1_Spooky_Sound_Effects_ _Side_1 electronic unsorted
                                      'tag_artist'  Spooky Sound Effects
                                     'tag_release'  Spooky Sound Effects
                                       'tag_title'  Storm, Dog Howling, Footsteps With Chains, Goblins Laughing, Chinese Gong, Moaning Cats, Cats, Laughing Witches, Screaming, Storm, Wind, Cats, Dogs, Squeaking Door
                                             'bpm'  145.2
                                    'search_title'  'cats':17,18 'chains':8,9 'chinese':13 'dog':3 'dogs':25,26 'door':28 'footsteps':6 'goblins':10 'gong':14,15 'howling':4,5 'laughing':11,12 'moaning':16 'screaming':21,22 'squeaking':27 'storm':1,2 'wind':23,24 'witches':19,20 'with':7
                                   'search_artist'  'effects':3 'sound':2 'spooky':1
                                  'search_release'  'effects':3 'sound':2 'spooky':1
                                     'search_rest'  '1':2,7 '304':1 'effects':5 'electronic':8 'side':6 'sound':4 'spooky':3 'unsorted':9
                                    'search_combo'  '1':36,41 '304':35 'cats':17A,18A 'chains':8A,9A 'chinese':13A 'dog':3A 'dogs':25A,26A 'door':28A 'effects':31B,34C,39 'electronic':42 'footsteps':6A 'goblins':10A 'gong':14A,15A 'howling':4A,5A 'laughing':11A,12A 'moaning':16A 'screaming':21A,22A 'side':40 'sound':30B,33C,38 'spooky':29B,32C,37 'squeaking':27A 'storm':1A,2A 'unsorted':43 'wind':23A,24A 'witches':19A,20A 'with':7A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['animals']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620515931.8991594  (2021-05-09 01:18:51)
                             'size'  23185247