======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '421'
                                          'artist'  'Nina Simone'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Wild is the Wind'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-4', 'q-drums-1', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'blues', 'jazz', 'female vocalists', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '131.413'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '131.413'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TIT2' (Title/songname/content description)         'Wild is the Wind'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Simone'
'TXXX:Mp3gain_minmax'                               '000,195'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '10'
'TXXX:lastfmtags'                                   ['vocal jazz', 'blues', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.95 dB'
'TXXX:replaygain_track_peak'                        '0.698294'

========================== row from database ==========================
                                              'id'  781646
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Simone, Nina/The Best Of/Nina Simone - Wild is the Wind - 10.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  421
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  6749123
                                           'mtime'  1620535109
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Simone, The Best Of 10 prerock jb jazz vocal
                                      'tag_artist'  Nina Simone
                                     'tag_release'  None
                                       'tag_title'  Wild is the Wind
                                             'bpm'  131.413
                                    'search_title'  'is':2 'the':3 'wild':1 'wind':4
                                   'search_artist'  'nina':1 'simone':2
                                  'search_release'  
                                     'search_rest'  'best':8 'country':4 'exotica':2 'jazz':1 'jb':11 'of':9 'oldies':3 'prerock':10 'simone':5,6 'the':7 'vocal':12
                                    'search_combo'  'best':14 'country':10 'exotica':8 'is':2A 'jazz':7 'jb':17 'nina':5B 'of':15 'oldies':9 'prerock':16 'simone':6B,11,12 'the':3A,13 'vocal':18 'wild':1A 'wind':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['vocal jazz', 'blues', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535109.036117  (2021-05-09 06:38:29)
                             'size'  6749123