======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '179'
                                          'artist'  'Vaughn Deleath & Irving Kaufman'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  "Do I Hear You Saying ''I Love You'' (US1928)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '179'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '145.685'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         ('Debuted 1928 and peaked at #16 on Various Charts. Source: Pop Memories. '
 'Label/Number: Columbia 1470.    Restored by Dancing Bear\r\n'
 '\r\n')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #16'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TENC' (Encoded by)                                 'Restored by Dancing Bear'
'TIT2' (Title/songname/content description)         "Do I Hear You Saying ''I Love You'' (US1928)"
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Vaughn Deleath & Irving Kaufman'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '179'
'TXXX:DATE'                                         '1928'
'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:q-bass'                                       '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.598481'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1928_179')

========================== row from database ==========================
                                              'id'  1509957
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_179 - Do I hear you saying __I love you__ - Vaughn Deleath and Frank Harris (Irving Kaufman).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  179
                                           'genre'  prerock-vocal
                                        'filesize'  2869162
                                           'mtime'  1621853370
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_179 hear you saying __I love you__ and Frank Harris (Irving Kaufman) prerock vocal
                                      'tag_artist'  Vaughn Deleath & Irving Kaufman
                                     'tag_release'  Billboard 1928
                                       'tag_title'  Do I Hear You Saying ''I Love You'' (US1928)
                                             'bpm'  145.685
                                    'search_title'  'do':1 'hear':3 'i':2,6 'love':7 'saying':5 'us1928':9,10 'you':4,8
                                   'search_artist'  'deleath':2 'irving':3 'kaufman':4 'vaughn':1
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '179':6 '1928':5 'and':13 'country':4 'exotica':2 'frank':14 'harris':15 'hear':7 'i':10 'irving':16,17 'jazz':1 'kaufman':18,19 'love':11 'oldies':3 'prerock':20 'saying':9 'vocal':21 'you':8,12
                                    'search_combo'  '179':22 '1928':16C,21 'and':29 'billboard':15C 'country':20 'deleath':12B 'do':1A 'exotica':18 'frank':30 'harris':31 'hear':3A,23 'i':2A,6A,26 'irving':13B,32,33 'jazz':17 'kaufman':14B,34,35 'love':7A,27 'oldies':19 'prerock':36 'saying':5A,25 'us1928':9A,10A 'vaughn':11B 'vocal':37 'you':4A,8A,24,28
                                    'tag_tracknum'  179
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853370.475381  (2021-05-24 12:49:30)
                             'size'  2869162