======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '165'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Wondering'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '119.8'
                                             'key'  'G#m'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '119.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TIT2' (Title/songname/content description)         'Wondering'
'TKEY' (Initial key)                                'G#m'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TXXX:MusicMagic Data'                              'AgEBWqVCgxTB3ZE+gUpUcUlIgAGE6YVsKFquShMrgJvS94ABmn0RZqv8gAHcZYPJhVukk7zyBODWJ4ABgAG6miFM7yTIM6V1gAKAAYOQrTmQCYFfJrcoWoFHhoWEzw5+pvsjmoHk0TuD/4wLEFSvI4AB2QmGbYHLhqjLag9p962AAYABuiUMBOeFnu2w6IACgAE='
'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'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'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'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.563689'

========================== row from database ==========================
                                              'id'  1495029
                                            'path'  /data/Music/Other/Pa/All/Oldtime/Wondering.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  165
                                           'genre'  prerock-unsorted
                                        'filesize'  3314219
                                           'mtime'  1644756108
                                   'redo_metaread'  0
                                        'rest_str'   Pa All Oldtime prerock unsorted
                                      'tag_artist'  [unknown]
                                     'tag_release'  None
                                       'tag_title'  Wondering
                                             'bpm'  119.8
                                    'search_title'  'wondering':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  
                                     'search_rest'  'all':2 'oldtime':3 'pa':1 'prerock':4 'unsorted':5
                                    'search_combo'  'all':5 'oldtime':6 'pa':4 'prerock':7 'unknown':2B,3B 'unsorted':8 'wondering':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  G#m
                                           'quals'  ['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1644756108.1443577  (2022-02-13 13:41:48)
                             'size'  3314219