======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '430'
                                          'artist'  'George Lewis Jazz Band'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bye and bye'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-3', '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-jb-jazz'
                                             'bpm'  '110.5'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '110.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz'
'TIT2' (Title/songname/content description)         'Bye and bye'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'George Lewis Jazz Band'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AQEAAAAAhCSdcpRmgHVy3t+YgAGAS5BCBwGj4ebWgAESX4ABgAEYv7+zgAHgEog+iu+AAcJUk7XlDYABgAGUtQ3V5IappaHKgAKAAQ=='
'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'                                      '3'
'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'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.482700'

========================== row from database ==========================
                                              'id'  1495546
                                            'path'  /data/Music/Other/Pa/Jazz/George Lewis JB/Bye and bye.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  430
                                           'genre'  prerock-jb-jazz
                                        'filesize'  8617891
                                           'mtime'  1678988480
                                   'redo_metaread'  0
                                        'rest_str'   Pa JB prerock jb jazz
                                      'tag_artist'  George Lewis Jazz Band
                                     'tag_release'  None
                                       'tag_title'  Bye and bye
                                             'bpm'  110.5
                                    'search_title'  'and':2 'bye':1
                                   'search_artist'  'band':4 'george':1 'jazz':3 'lewis':2
                                  'search_release'  
                                     'search_rest'  'jazz':4 'jb':2 'pa':1 'prerock':3
                                    'search_combo'  'and':2A 'band':6B 'bye':1A 'george':3B 'jazz':5B,10 'jb':8 'lewis':4B 'pa':7 'prerock':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678988479.6414685  (2023-03-16 18:41:19)
                             'size'  8617891