======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '172'
                                          'artist'  'Nathan Glantz & His Orchestra (voc Charles Harrison)'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  "Diane (I'M in Heaven When I See You Smile)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '220'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '143.721'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1928 and peaked at #19 on Various Charts. Source: Pop Memories. '
 'Label/Number: Banner 6101.   \r\n'
 'ProwlingOwl, cleaned by DancingBear\r\n')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #19'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1928'
'TENC' (Encoded by)                                 'ProwlingOwl, cleaned by DancingBear'
'TIT2' (Title/songname/content description)         "Diane (I'M in Heaven When I See You Smile)"
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nathan Glantz & His Orchestra (voc Charles Harrison)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '220'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.526035'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1928_220')

========================== row from database ==========================
                                              'id'  1521064
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_220 - Nathan Glantz & His Orchestra (voc Charles Harrison) - Diane (I_M in Heaven When I See You Smile) (128 M 2.53).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  172
                                           'genre'  prerock-swing
                                        'filesize'  2769340
                                           'mtime'  1620562705
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_220 (I_M (128 2.53) prerock swing
                                      'tag_artist'  Nathan Glantz & His Orchestra (voc Charles Harrison)
                                     'tag_release'  Billboard 1928
                                       'tag_title'  Diane (I'M in Heaven When I See You Smile)
                                             'bpm'  143.721
                                    'search_title'  'diane':1 'heaven':6 'i':2,8 'im':4 'in':5 'm':3 'see':9 'smile':11,12 'when':7 'you':10
                                   'search_artist'  'charles':7 'glantz':2 'harrison':8,9 'his':3 'nathan':1 'orchestra':4 'voc':5,6
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '128':11,12 '1928':5 '2':13 '220':6 '253':15 '53':14 'country':4 'exotica':2 'i':7,9 'jazz':1 'm':8,10 'oldies':3 'prerock':16 'swing':17
                                    'search_combo'  '128':34,35 '1928':23C,28 '2':36 '220':29 '253':38 '53':37 'billboard':22C 'charles':19B 'country':27 'diane':1A 'exotica':25 'glantz':14B 'harrison':20B,21B 'heaven':6A 'his':15B 'i':2A,8A,30,32 'im':4A 'in':5A 'jazz':24 'm':3A,31,33 'nathan':13B 'oldies':26 'orchestra':16B 'prerock':39 'see':9A 'smile':11A,12A 'swing':40 'voc':17B,18B 'when':7A 'you':10A
                                    'tag_tracknum'  220
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562704.704044  (2021-05-09 14:18:24)
                             'size'  2769340