======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '221'
                                          'artist'  'Alex North'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Unchained Melody'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-2', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', "
 "'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '134.7'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000226 00000003 00001415 00000113 0000C629 0000F01A 000047C8 000047F9 '
 '00024158 00024158')
'TBPM' (BPM (beats per minute))                     '134.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TENC' (Encoded by)                                 'iTunes v4.6.0.15'
'TIT2' (Title/songname/content description)         'Unchained Melody'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alex North'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEAAAAAgV+mL6rWgnwilglYgAGB7oOe56CYwhzZgAHE/aSTjrjuha4YgWHD94ABhxmAAahiCWncLZhdgAGgp/W2zhSAAZdzgAKAAZFpporAu4QhAsc8EYABgsyE5vvinvUi5oRS1SmTg4XkBSWuJIbI1XyGT4UkgAG979fj7BCXgIJErOAIQvUtlVuoRoACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.563266'

========================== row from database ==========================
                                              'id'  1495024
                                            'path'  /data/Music/Other/Pa/All/Unchained  melody.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  221
                                           'genre'  prerock-unsorted
                                        'filesize'  4437480
                                           'mtime'  1644063263
                                   'redo_metaread'  0
                                        'rest_str'   Pa All melody prerock unsorted
                                      'tag_artist'  Alex North
                                     'tag_release'  None
                                       'tag_title'  Unchained Melody
                                             'bpm'  134.7
                                    'search_title'  'melody':2 'unchained':1
                                   'search_artist'  'alex':1 'north':2
                                  'search_release'  
                                     'search_rest'  'all':2 'melody':3 'pa':1 'prerock':4 'unsorted':5
                                    'search_combo'  'alex':3B 'all':6 'melody':2A,7 'north':4B 'pa':5 'prerock':8 'unchained':1A 'unsorted':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-2', 'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-SYN-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1644063263.3543267  (2022-02-05 13:14:23)
                             'size'  4437480