======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '170'
                                          'artist'  'Pinetop Smith'
                                     'text_people'  ''
                                         'release'  'Pinetop Smith'
                                           'title'  "Pinetop's  blues"
                                           'quals'  ("['Q-HAP-2', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', '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'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '144.3'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '2E102713+310339+19+150+14732+29989+42787+57188+73481+86930+99834+114206+127416+141597+169834+182682+191555+205181+233978+263595+279385+294680'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '3'
'TALB' (Album/Movie/Show title)                     'Pinetop Smith'
'TBPM' (BPM (beats per minute))                     '144.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TIT2' (Title/songname/content description)         "Pinetop's  blues"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pinetop Smith'
'TPE2' (Band/orchestra/accompaniment)               'Pinetop Smith'
'TRCK' (Track number/Position in set)               '3'
'TXXX:MusicMagic Data'                              'AQEBXIefhLmSuJhCgbAsuDxDgAGBWIVs4Iyj5feigSnDvYABgAH5F8B0gAHhvZE9hV+AAav1hx+sf4ABgAG2ufWF8ozOzJqPgAKAAQ=='
'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'                                      '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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.19 dB'
'TXXX:replaygain_track_peak'                        '0.512974'

========================== row from database ==========================
                                              'id'  1495597
                                            'path'  /data/Music/Other/Pa/Boogie woogie/Pinetop Smith/03 Pinetop's  blues.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  170
                                           'genre'  prerock-jb
                                        'filesize'  3422983
                                           'mtime'  1678985082
                                   'redo_metaread'  0
                                        'rest_str'   Pa Boogie woogie 03 prerock jb
                                      'tag_artist'  Pinetop Smith
                                     'tag_release'  Pinetop Smith
                                       'tag_title'  Pinetop's  blues
                                             'bpm'  144.3
                                    'search_title'  'blues':4 'pinetop':1 'pinetops':3 's':2
                                   'search_artist'  'pinetop':1 'smith':2
                                  'search_release'  'pinetop':1 'smith':2
                                     'search_rest'  'boogie':2 'jb':5 'pa':1 'prerock':4 'woogie':3
                                    'search_combo'  'blues':4A 'boogie':10 'jb':13 'pa':9 'pinetop':1A,5B,7C 'pinetops':3A 'prerock':12 's':2A 'smith':6B,8C 'woogie':11
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-2', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', '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'  1678985081.5012705  (2023-03-16 17:44:41)
                             'size'  3422983