======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '203'
                                          'artist'  'Breda  Jazz'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Black bottom stomp'
                                           '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-1', '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'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '88.9'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '88.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TIT2' (Title/songname/content description)         'Black bottom stomp'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Breda  Jazz'
'TXXX:MusicMagic Data'                              'AgEAAAAAg0amG8Dxg9dkRCCegAGAO4ACFzqs9MvKgAEEOIABgAEcQeHSgAHoCYNqiHyAAbFTyI+wE4ABgAHIXhQZr46n8ZmZgAKAAYRZpYaqH4JlFJo5GoABgVOCyx0ZrW3/k4H38ZeAAYNwJHvCUYAm3X6QLoQ2gAHQu/M35xmJ0IABtVAWPN7GuJ+usYACgAE='
'TXXX:MusicMagic Fingerprint'                       'AQKhA8sFqAlBCuERpBIuEYwZKBgPHJIchxp9F6QULBk0EfofSBYXEFkxVyRxIRUeqRcEFkIS1RCaC9cKLgkoBwEGSAXPBB4EegMLAzcCowKN/5IDf/7kCST5BgdGBjsLfS1C2t4RM93LD70EFfTsHuUQLy7I00PkRyNW15b2k+76CUPikvQo+dv8nfnA95j8M/26/GX9ov62/vz+2v8a/vMBEf/d//H/RgWxAX799uu0Bk4DRPp6KLgRWAOgA2e8lc8KPJUSawGQDfPYKhF2/HfxQP7W6az+cPjD/XX7z/6jAG79bf+G/bX/Xf+kAEL/lP77AEf62AJP9Kj+CvRt8DcZOgBV9HzDFdc44bwL1uRy8qk1Hf41+ojzOipW7qEkRQ0AGDAMUgrMBakJ/gYXBbwCygRhAKwDQQDqAfUA7gD6AgkA1gNtAEYLcgrfDjEC8wttL6wtyOW3EywIWxEWCJH8MhSAK+QcF9jLAanNuOdg/wLavvoO7q3wcvwb+Nf/lvqF/if9qf29//X98/6x/dr/RQBtAar/6gEEAIr9LRNNC0AlqdDKJ9rizMaK7wYgCy4sJcgQDAb77oficQEz+3YEFf9AAUL6MQMW/U7+K/y9/sX9YP8G/iP/Kf9lAAr/IwA7AjIBjALfAWoGVfpgAL30UgiFMgsx1cTl5AsLDfec9rX60ePt8mQukBmG0dP7FPlY7Xb4+/hY+wr85P3b/RP+E/5z/rv8if8N/vf/k/+FQ0E8Nw=='
'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'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.596380'

========================== row from database ==========================
                                              'id'  1495032
                                            'path'  /data/Music/Other/Pa/Dixieland/Breda  Jazz/Black bottom stomp.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  203
                                           'genre'  prerock-jb
                                        'filesize'  4075491
                                           'mtime'  1678985132
                                   'redo_metaread'  0
                                        'rest_str'   Pa Dixieland prerock jb
                                      'tag_artist'  Breda  Jazz
                                     'tag_release'  None
                                       'tag_title'  Black bottom stomp
                                             'bpm'  88.9
                                    'search_title'  'black':1 'bottom':2 'stomp':3
                                   'search_artist'  'breda':1 'jazz':2
                                  'search_release'  
                                     'search_rest'  'dixieland':2 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'black':1A 'bottom':2A 'breda':4B 'dixieland':7 'jazz':5B 'jb':9 'pa':6 'prerock':8 'stomp':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           '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-1', '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'  1678985131.5438857  (2023-03-16 17:45:31)
                             'size'  4075491