======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '194'
                                          'artist'  'The Jimmy Castor Bunch'
                                     'text_people'  ''
                                         'release'  'Dr. Demento Collection: The Mi'
                                           'title'  'The Bertha Butt Boogie, Part 1'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['funky', 'jazz', 'soul', 'funk', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;mi-ukulele;set-cover or covered'
                                             'bpm'  '98.501'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dr. Demento Collection: The Mi'
'TBPM' (BPM (beats per minute))                     '98.501'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'mi-ukulele', 'set-cover or covered']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'The Bertha Butt Boogie, Part 1'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Jimmy Castor Bunch'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['funky', 'jazz', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.598175'

========================== row from database ==========================
                                              'id'  1498592
                                            'path'  /data/Music/Bulk/00spent/Ukelele Orchestra Of Great Britain/Jimmy Castor Bunch, The__Dr. Demento Collection_ The Mid 70_s__05 - The Bertha Butt Boogie, Part 1.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  194
                                           'genre'  set-th-novelty-styledcovers;mi-ukulele;set-cover or covered
                                        'filesize'  3890248
                                           'mtime'  1620527973
                                   'redo_metaread'  0
                                        'rest_str'   00spent Ukelele Orchestra Of Great Britain Bunch, The__Dr. Collection_ Mid 70_s__05 set novelty styledcovers;mi ukulele;set cover covered
                                      'tag_artist'  The Jimmy Castor Bunch
                                     'tag_release'  Dr. Demento Collection: The Mi
                                       'tag_title'  The Bertha Butt Boogie, Part 1
                                             'bpm'  98.501
                                    'search_title'  '1':7 'bertha':2 'boogie':4,5 'butt':3 'part':6 'the':1
                                   'search_artist'  'bunch':4 'castor':3 'jimmy':2 'the':1
                                  'search_release'  'collection':4,5 'demento':3 'dr':1,2 'mi':7 'the':6
                                     'search_rest'  '00spent':1 '05':17 '70':15 'britain':6 'bunch':7,8 'collection':13 'cover':28 'covered':29 'dr':10,12 'great':5 'mi':21,23 'mid':14 'novelty':19 'of':4 'orchestra':3 's':16 'set':18,25,27 'styledcovers':20,22 'the':9,11 'ukelele':2 'ukulele':24,26
                                    'search_combo'  '00spent':19 '05':35 '1':7A '70':33 'bertha':2A 'boogie':4A,5A 'britain':24 'bunch':11B,25,26 'butt':3A 'castor':10B 'collection':15C,16C,31 'cover':46 'covered':47 'demento':14C 'dr':12C,13C,28,30 'great':23 'jimmy':9B 'mi':18C,39,41 'mid':32 'novelty':37 'of':22 'orchestra':21 'part':6A 's':34 'set':36,43,45 'styledcovers':38,40 'the':1A,8B,17C,27,29 'ukelele':20 'ukulele':42,44
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['funky', 'jazz', 'soul', 'funk', '70s']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527973.109629  (2021-05-09 04:39:33)
                             'size'  3890248