======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '129'
                                          'artist'  'The Serendipity Singers'
                                     'text_people'  ''
                                         'release'  'The Folk Years: Reason To Believe (Disc 2)'
                                           'title'  'Beans In My Ears'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', "
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 "'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'acoustic', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-unsorted'
                                             'bpm'  '127.846'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Folk Years: Reason To Believe (Disc 2)'
'TBPM' (BPM (beats per minute))                     '127.846'
'TCON' (Content type, a.k.a. Genre)                 'ifs-unsorted'
'TIT2' (Title/songname/content description)         'Beans In My Ears'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Serendipity Singers'
'TRCK' (Track number/Position in set)               '10'
'TXXX:CT_GAPLESS_DATA'                              '0'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk', 'acoustic', '60s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.04 dB'
'TXXX:replaygain_track_peak'                        '0.440416'

========================== row from database ==========================
                                              'id'  1312376
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/Beans In My Ears.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  129
                                           'genre'  ifs-unsorted
                                        'filesize'  2075286
                                           'mtime'  1620568681
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean ifs unsorted
                                      'tag_artist'  The Serendipity Singers
                                     'tag_release'  The Folk Years: Reason To Believe (Disc 2)
                                       'tag_title'  Beans In My Ears
                                             'bpm'  127.846
                                    'search_title'  'beans':1 'ears':4 'in':2 'my':3
                                   'search_artist'  'serendipity':2 'singers':3 'the':1
                                  'search_release'  '2':10,11 'believe':7 'disc':8,9 'folk':2 'reason':5 'the':1 'to':6 'years':3,4
                                     'search_rest'  '00poprockelectronic':1 'clean':2 'ifs':3 'unsorted':4
                                    'search_combo'  '00poprockelectronic':19 '2':17C,18C 'beans':1A 'believe':14C 'clean':20 'disc':15C,16C 'ears':4A 'folk':9C 'ifs':21 'in':2A 'my':3A 'reason':12C 'serendipity':6B 'singers':7B 'the':5B,8C 'to':13C 'unsorted':22 'years':10C,11C
                                    'tag_tracknum'  10
                                      '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-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'acoustic', '60s']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620568681.0888326  (2021-05-09 15:58:01)
                             'size'  2075286