======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '551'
                                          'artist'  'Orig Tuxedo Jazzband'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Tin roof blues'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-2', 'q-vocals-1', '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'  '144.2'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '144.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz'
'TIT2' (Title/songname/content description)         'Tin roof blues'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Orig Tuxedo Jazzband'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AQEBWp5ZhKal7LBigT4/jf5BgAGBj4iWLAumjQHYgQ/d1oABmn09v7DlgAHb7o6QkxKAAczJIabUe4ABgWq2diVe7JjTzqeOgAKAAQ=='
'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'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.610890'

========================== row from database ==========================
                                              'id'  1495097
                                            'path'  /data/Music/Other/Pa/Jazz/Orig Tuxedo Jass Band/Tin roof blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  551
                                           'genre'  prerock-jb-jazz
                                        'filesize'  11039414
                                           'mtime'  1674646693
                                   'redo_metaread'  0
                                        'rest_str'   Pa Jass Band prerock jb jazz
                                      'tag_artist'  Orig Tuxedo Jazzband
                                     'tag_release'  None
                                       'tag_title'  Tin roof blues
                                             'bpm'  144.2
                                    'search_title'  'blues':3 'roof':2 'tin':1
                                   'search_artist'  'jazzband':3 'orig':1 'tuxedo':2
                                  'search_release'  
                                     'search_rest'  'band':3 'jass':2 'jazz':6 'jb':5 'pa':1 'prerock':4
                                    'search_combo'  'band':9 'blues':3A 'jass':8 'jazz':12 'jazzband':6B 'jb':11 'orig':4B 'pa':7 'prerock':10 'roof':2A 'tin':1A 'tuxedo':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-2', 'q-vocals-1', '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'  1674646693.2736413  (2023-01-25 12:38:13)
                             'size'  11039414