======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '129'
                                          'artist'  'Tony Bennett'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'In The Middle of An Island'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['male vocalists', 'jazz', 'easy listening', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '138.0'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '138.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'In The Middle of An Island'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tony Bennett'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'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:lastfmtags'                                   ['male vocalists', 'jazz', 'easy listening', 'oldies', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.477761'

========================== row from database ==========================
                                              'id'  1119921
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Time Life - Your Hit Parade- 1957/08. Tony Bennett - In The Middle of An Island.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  129
                                           'genre'  prerock-unsorted
                                        'filesize'  5167107
                                           'mtime'  1621697513
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Time Life Your Hit Parade 1957 08. prerock unsorted
                                      'tag_artist'  Tony Bennett
                                     'tag_release'  None
                                       'tag_title'  In The Middle of An Island
                                             'bpm'  138.0
                                    'search_title'  'an':5 'in':1 'island':6 'middle':3 'of':4 'the':2
                                   'search_artist'  'bennett':2 'tony':1
                                  'search_release'  
                                     'search_rest'  '08':7,8 '1957':6 'hit':4 'life':2 'parade':5 'prerock':9 'time':1 'unsorted':10 'your':3
                                    'search_combo'  '08':15,16 '1957':14 'an':5A 'bennett':8B 'hit':12 'in':1A 'island':6A 'life':10 'middle':3A 'of':4A 'parade':13 'prerock':17 'the':2A 'time':9 'tony':7B 'unsorted':18 'your':11
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10B
                                           '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-2', 'q-grit-2']
                                      'lastfmtags'  ['male vocalists', 'jazz', 'easy listening', 'oldies', 'swing']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697512.9158309  (2021-05-22 17:31:52)
                             'size'  5167107