======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '646'
                                          'artist'  'Harry Belafonte'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Matilda'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '143.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '143.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TIT2' (Title/songname/content description)         'Matilda'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Harry Belafonte'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBXo0sg5ia8OPFglFJKxSOgoOAyZm+/V6l3/kYgXflVrM0gvMPxMeMgAHvrYb5nbGAAcGlz/GwS4ABgEbeDvm/0i++taTVgAKAAZfEm468uIPoAYlBFowDggyGTOz0nu4prYR13KaY4IjJ+9S2MY2l0qiSzoWBhEbKeZlw4VKlV4PExbn5lfENtoKx94W4gnc='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.82 dB'
'TXXX:replaygain_track_peak'                        '0.618210'

========================== row from database ==========================
                                              'id'  1495506
                                            'path'  /data/Music/Other/Pa/All/Harry Belafonte/Matilda.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  646
                                           'genre'  prerock-unsorted
                                        'filesize'  12931537
                                           'mtime'  1636912735
                                   'redo_metaread'  0
                                        'rest_str'   Pa All prerock unsorted
                                      'tag_artist'  Harry Belafonte
                                     'tag_release'  None
                                       'tag_title'  Matilda
                                             'bpm'  143.6
                                    'search_title'  'matilda':1
                                   'search_artist'  'belafonte':2 'harry':1
                                  'search_release'  
                                     'search_rest'  'all':2 'pa':1 'prerock':3 'unsorted':4
                                    'search_combo'  'all':5 'belafonte':3B 'harry':2B 'matilda':1A 'pa':4 'prerock':6 'unsorted':7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912735.0530956  (2021-11-14 18:58:55)
                             'size'  12931537