======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '167'
                                          'artist'  'Ted Lewis & His Band'
                                     'text_people'  'Allie Wrubel (music) & Mort Dixon (lyrics)'
                                         'release'  'Originally Decca 239; Brunswick RL-208 (38764)'
                                           'title'  'Pop! Goes Your Heart'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'jazz', 'bmrs old jazz', 'old jazz', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '125'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-klezmer'
                                             'bpm'  '99.910'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1934 and peaked at #9 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #'
'TALB' (Album/Movie/Show title)                     'Originally Decca 239; Brunswick RL-208 (38764)'
'TBPM' (BPM (beats per minute))                     '99.910'
'TCOM' (Composer)                                   'Allie Wrubel (music) & Mort Dixon (lyrics)'
'TCON' (Content type, a.k.a. Genre)                 'prerock-klezmer'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Pop! Goes Your Heart'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ted Lewis & His Band'
'TRCK' (Track number/Position in set)               '125'
'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'                                   ['all', 'jazz', 'bmrs old jazz', 'old jazz', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.80 dB'
'TXXX:replaygain_track_peak'                        '0.706243'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='flip: Happiness Ahead')

========================== row from database ==========================
                                              'id'  1455255
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Pop Goes your heart - Ted Lewis and his band.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  167
                                           'genre'  prerock-klezmer
                                        'filesize'  1340691
                                           'mtime'  1620528297
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 your heart his band prerock klezmer
                                      'tag_artist'  Ted Lewis & His Band
                                     'tag_release'  Originally Decca 239; Brunswick RL-208 (38764)
                                       'tag_title'  Pop! Goes Your Heart
                                             'bpm'  99.91
                                    'search_title'  'goes':2 'heart':4 'pop':1 'your':3
                                   'search_artist'  'band':4 'his':3 'lewis':2 'ted':1
                                  'search_release'  '208':7 '239':3,4 '38764':9,10 'brunswick':5 'decca':2 'originally':1 'rl':6 'rl208':8
                                     'search_rest'  '00oldiepop':5 '1934':6 'band':10 'country':4 'exotica':2 'heart':8 'his':9 'jazz':1 'klezmer':12 'oldies':3 'prerock':11 'your':7
                                    'search_combo'  '00oldiepop':23 '1934':24 '208':15C '239':11C,12C '38764':17C,18C 'band':8B,28 'brunswick':13C 'country':22 'decca':10C 'exotica':20 'goes':2A 'heart':4A,26 'his':7B,27 'jazz':19 'klezmer':30 'lewis':6B 'oldies':21 'originally':9C 'pop':1A 'prerock':29 'rl':14C 'rl208':16C 'ted':5B 'your':3A,25
                                    'tag_tracknum'  125
                                      'num_images'  0
                                             'key'  4B
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['all', 'jazz', 'bmrs old jazz', 'old jazz', 'swing']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528297.0437129  (2021-05-09 04:44:57)
                             'size'  1340691