======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '205'
                                          'artist'  'Rudy Vallee & His Connecticut Yankees'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'P.S. I Love You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', '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']")
                                      'lastfmtags'  "['old books and velvet', 'all', '30s', 'halloween', 'americana']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '110.724'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('Debuted 1934 and peaked at #12 on Various Charts.\r\n'
 'Source: Pop Memories 1890-1954 (1986 Edition).\r\n'
 '\r\n'
 '\r\n'
 '\r\n'
 '\r\n')
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #12'
'TBPM' (BPM (beats per minute))                     '110.724'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'P.S. I Love You'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rudy Vallee & His Connecticut Yankees'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['old books and velvet', 'all', '30s', 'halloween', 'americana']
'TXXX:q-bass'                                       '2'
'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'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.345519'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1934_167')

========================== row from database ==========================
                                              'id'  1454992
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/P.S. I love you - Rudy Vallee and His Connecticut Yankees.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  205
                                           'genre'  prerock-band
                                        'filesize'  1644949
                                           'mtime'  1620560269
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 love you and prerock band
                                      'tag_artist'  Rudy Vallee & His Connecticut Yankees
                                     'tag_release'  None
                                       'tag_title'  P.S. I Love You
                                             'bpm'  110.724
                                    'search_title'  'i':4 'love':5 'p':1 'ps':3 's':2 'you':6
                                   'search_artist'  'connecticut':4 'his':3 'rudy':1 'vallee':2 'yankees':5
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':9 'band':11 'country':4 'exotica':2 'jazz':1 'love':7 'oldies':3 'prerock':10 'you':8
                                    'search_combo'  '00oldiepop':16 '1934':17 'and':20 'band':22 'connecticut':10B 'country':15 'exotica':13 'his':9B 'i':4A 'jazz':12 'love':5A,18 'oldies':14 'p':1A 'prerock':21 'ps':3A 'rudy':7B 's':2A 'vallee':8B 'yankees':11B 'you':6A,19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-2', 'q-grit-1']
                                      'lastfmtags'  ['old books and velvet', 'all', '30s', 'halloween', 'americana']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560269.2777894  (2021-05-09 13:37:49)
                             'size'  1644949