======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '193'
                                          'artist'  'Benny Goodman & His Orchestra Feat. Jack Teagarden'
                                     'text_people'  ''
                                         'release'  'The Chronological Benny Goodman 1931 - 33 Classics 719'
                                           'title'  'I Gotta Right To Sing The Blues'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '133.933'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1934 and peaked at #20 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #'
'TALB' (Album/Movie/Show title)                     'The Chronological Benny Goodman 1931 - 33 Classics 719'
'TBPM' (BPM (beats per minute))                     '133.933'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'I Gotta Right To Sing The Blues'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Benny Goodman & His Orchestra Feat. Jack Teagarden'
'TRCK' (Track number/Position in set)               '13'
'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'                                       '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.817096'

========================== row from database ==========================
                                              'id'  1455449
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/I gotta right to sing the blues - Benny Goodman and his orchestra (vocal by Jack Teagarden).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  193
                                           'genre'  prerock-band
                                        'filesize'  3096588
                                           'mtime'  1620560246
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 gotta right to sing the blues and his orchestra (vocal by Teagarden) prerock band
                                      'tag_artist'  Benny Goodman & His Orchestra Feat. Jack Teagarden
                                     'tag_release'  The Chronological Benny Goodman 1931 - 33 Classics 719
                                       'tag_title'  I Gotta Right To Sing The Blues
                                             'bpm'  133.933
                                    'search_title'  'blues':7 'gotta':2 'i':1 'right':3 'sing':5 'the':6 'to':4
                                   'search_artist'  'benny':1 'feat':5,6 'goodman':2 'his':3 'jack':7 'orchestra':4 'teagarden':8
                                  'search_release'  '1931':5 '33':6 '719':8 'benny':3 'chronological':2 'classics':7 'goodman':4 'the':1
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':13 'band':22 'blues':12 'by':18 'country':4 'exotica':2 'gotta':7 'his':14 'jazz':1 'oldies':3 'orchestra':15 'prerock':21 'right':8 'sing':10 'teagarden':19,20 'the':11 'to':9 'vocal':16,17
                                    'search_combo'  '00oldiepop':28 '1931':20C '1934':29 '33':21C '719':23C 'and':36 'band':45 'benny':8B,18C 'blues':7A,35 'by':41 'chronological':17C 'classics':22C 'country':27 'exotica':25 'feat':12B,13B 'goodman':9B,19C 'gotta':2A,30 'his':10B,37 'i':1A 'jack':14B 'jazz':24 'oldies':26 'orchestra':11B,38 'prerock':44 'right':3A,31 'sing':5A,33 'teagarden':15B,42,43 'the':6A,16C,34 'to':4A,32 'vocal':39,40
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560245.9375062  (2021-05-09 13:37:25)
                             'size'  3096588