======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '162'
                                          'artist'  'Sam Lanin & His Orchestra (voc Irving Kaufman)'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  'Let a Smile Be Your Umbrella'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-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-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '140'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '115.195'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1928 and peaked at #12 on Various Charts. Source: Pop Memories. '
 'Label/Number: Okeh 40977.   \r\n'
 'ProwlingOwl, cleaned by DancingBear\r\n')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #12'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '115.195'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1928'
'TENC' (Encoded by)                                 'ProwlingOwl, cleaned by DancingBear'
'TIT2' (Title/songname/content description)         'Let a Smile Be Your Umbrella'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sam Lanin & His Orchestra (voc Irving Kaufman)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '140'
'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'                                       '3'
'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'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.637787'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1928_140')

========================== row from database ==========================
                                              'id'  978031
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_140 - Sam Lanin & His Orchestra (voc Irving Kaufman) - Let a Smile Be Your Umbrella (128 M 2.43).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  162
                                           'genre'  prerock-band
                                        'filesize'  2607569
                                           'mtime'  1620561409
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_140 (128 M 2.43) prerock band
                                      'tag_artist'  Sam Lanin & His Orchestra (voc Irving Kaufman)
                                     'tag_release'  Billboard 1928
                                       'tag_title'  Let a Smile Be Your Umbrella
                                             'bpm'  115.195
                                    'search_title'  'a':2 'be':4 'let':1 'smile':3 'umbrella':6 'your':5
                                   'search_artist'  'his':3 'irving':7 'kaufman':8,9 'lanin':2 'orchestra':4 'sam':1 'voc':5,6
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '128':7,8 '140':6 '1928':5 '2':10 '243':12 '43':11 'band':14 'country':4 'exotica':2 'jazz':1 'm':9 'oldies':3 'prerock':13
                                    'search_combo'  '128':24,25 '140':23 '1928':17C,22 '2':27 '243':29 '43':28 'a':2A 'band':31 'be':4A 'billboard':16C 'country':21 'exotica':19 'his':9B 'irving':13B 'jazz':18 'kaufman':14B,15B 'lanin':8B 'let':1A 'm':26 'oldies':20 'orchestra':10B 'prerock':30 'sam':7B 'smile':3A 'umbrella':6A 'voc':11B,12B 'your':5A
                                    'tag_tracknum'  140
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', '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'  1620561409.156723  (2021-05-09 13:56:49)
                             'size'  2607569