======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '180'
                                          'artist'  'Jan Garber & His Orchestra (voc Lew Palmer)'
                                     'text_people'  ''
                                         'release'  'From orig 78'
                                           'title'  "I'm Lonesome for You, Caroline"
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '137.478'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1934 and peaked at #17 on Various Charts. Source: Pop Memories. '
 'Label/Number: Victor 24726.   ProwlingOwl, cleaned by DancingBear\r\n'
 '\r\n')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #17'
'TALB' (Album/Movie/Show title)                     'From orig 78'
'TBPM' (BPM (beats per minute))                     '137.478'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TENC' (Encoded by)                                 'ProwlingOwl, cleaned by DancingBear'
'TIT2' (Title/songname/content description)         "I'm Lonesome for You, Caroline"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jan Garber & His Orchestra (voc Lew Palmer)'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.31 dB'
'TXXX:replaygain_track_peak'                        '0.402668'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1934_254')

========================== row from database ==========================
                                              'id'  1512734
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/I_m lonesome for you, Caroline - Jan Garber and his orchestra (vocal by Lew Palmer).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  180
                                           'genre'  prerock-swing
                                        'filesize'  2888030
                                           'mtime'  1620560479
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 I_m lonesome you, and his orchestra (vocal by prerock swing
                                      'tag_artist'  Jan Garber & His Orchestra (voc Lew Palmer)
                                     'tag_release'  From orig 78
                                       'tag_title'  I'm Lonesome for You, Caroline
                                             'bpm'  137.478
                                    'search_title'  'caroline':8 'for':5 'i':1 'im':3 'lonesome':4 'm':2 'you':6,7
                                   'search_artist'  'garber':2 'his':3 'jan':1 'lew':7 'orchestra':4 'palmer':8,9 'voc':5,6
                                  'search_release'  '78':3 'from':1 'orig':2
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':12 'by':17 'country':4 'exotica':2 'his':13 'i':7 'jazz':1 'lonesome':9 'm':8 'oldies':3 'orchestra':14 'prerock':18 'swing':19 'vocal':15,16 'you':10,11
                                    'search_combo'  '00oldiepop':25 '1934':26 '78':20C 'and':32 'by':37 'caroline':8A 'country':24 'exotica':22 'for':5A 'from':18C 'garber':10B 'his':11B,33 'i':1A,27 'im':3A 'jan':9B 'jazz':21 'lew':15B 'lonesome':4A,29 'm':2A,28 'oldies':23 'orchestra':12B,34 'orig':19C 'palmer':16B,17B 'prerock':38 'swing':39 'voc':13B,14B 'vocal':35,36 'you':6A,7A,30,31
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560478.6818426  (2021-05-09 13:41:18)
                             'size'  2888030