======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '149'
                                          'artist'  'Billie Holiday'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'If I were you'
                                           'quals'  ("['Q-OLDST-1', 'Q-GRIT-2', 'Q-BUSY-2', 'q-bass-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-3', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-3', "
 "'Q-CHART-4', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '128.3'
                                             'key'  'A#m'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '128.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'If I were you'
'TKEY' (Initial key)                                'A#m'
'TPE1' (Lead performer(s)/Soloist(s))               'Billie Holiday'
'TXXX:MusicMagic Data'                              'AgEBXZIlgmSVoJbegjE3syOLgAGBlIJD+M6hFgmCgAG8EYABiNUbObC7gAHl9YBIhyqAAayd0hm76oABgAHUHQNN70Lw85sFgAKAAYVBmYGe3IJk7ndMhoWxgfeCm//UpZUauYDHzC+AAYmSGZq6K4Xj17aKpoMUhJS9Ur6UzhuUFIABxpsNuOSWvbWmi4BtgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '4'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.42 dB'
'TXXX:replaygain_track_peak'                        '0.481278'

========================== row from database ==========================
                                              'id'  1495129
                                            'path'  /data/Music/Other/Pa/Swing/Billie  Holiday/If I were you.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  149
                                           'genre'  prerock-jb
                                        'filesize'  2987729
                                           'mtime'  1621427977
                                   'redo_metaread'  0
                                        'rest_str'   Pa Swing prerock jb
                                      'tag_artist'  Billie Holiday
                                     'tag_release'  None
                                       'tag_title'  If I were you
                                             'bpm'  128.3
                                    'search_title'  'i':2 'if':1 'were':3 'you':4
                                   'search_artist'  'billie':1 'holiday':2
                                  'search_release'  
                                     'search_rest'  'jb':4 'pa':1 'prerock':3 'swing':2
                                    'search_combo'  'billie':5B 'holiday':6B 'i':2A 'if':1A 'jb':10 'pa':7 'prerock':9 'swing':8 'were':3A 'you':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  A#m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-4', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621427977.1316805  (2021-05-19 14:39:37)
                             'size'  2987729