======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '163'
                                          'artist'  'Di Gojim'
                                     'text_people'  ''
                                         'release'  'Ergens...'
                                           'title'  'Steiners Honga'
                                           'quals'  ("['Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'Q-OLDST-3', "
 "'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'Q-HAP-3', 'Q-SYN-1', "
 "'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['klezmer', 'folk', 'jewish', 'world', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '107.2'
                                             'key'  'C m'  (5A)
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ergens...'
'TBPM' (BPM (beats per minute))                     '107.2'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Steiners Honga'
'TKEY' (Initial key)                                'C m'
'TPE1' (Lead performer(s)/Soloist(s))               'Di Gojim'
'TRCK' (Track number/Position in set)               '9'
'TXXX:MusicBrainz Album Id'                         '0b946b1a-9933-4163-9963-31ae040762ba'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '29334fe8-84e2-4d35-9647-2b1566c3a39f'
'TXXX:MusicBrainz TRM Id'                           '829ba25f-65a2-4acf-a53f-03abb09852b6'
'TXXX:MusicMagic Data'                              'AgEBWoV8km+jHJRlgUr68IABgAGBToMrDCGl4yiRhDvokoABgvMKu7Yl0sbzCbNQgAGAAdiV39gHi6s1gAGZ5g4G9VawX7G0HPeAAZGrpoSq44NcBvUziZ3Zgt+CNwPFoSEi04HY1umEeoPuCCSzCY4J2MuGa4LOggrGZOIg8KCYfYAmrpQKQvIfnVGqOY2XgAE='
'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'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:lastfmtags'                                   ['klezmer', 'folk', 'jewish', 'world', 'all']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.721173'

========================== row from database ==========================
                                              'id'  1495443
                                            'path'  /data/Music/Other/Pa/Volksmuziek/Di  Gojim/Steiners Honga (Di Gojim, Ergens).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  163
                                           'genre'  loc-unsorted
                                        'filesize'  3281996
                                           'mtime'  1630254776
                                   'redo_metaread'  0
                                        'rest_str'   Pa Volksmuziek (Di Gojim, Ergens) loc unsorted
                                      'tag_artist'  Di Gojim
                                     'tag_release'  Ergens...
                                       'tag_title'  Steiners Honga
                                             'bpm'  107.2
                                    'search_title'  'honga':2 'steiners':1
                                   'search_artist'  'di':1 'gojim':2
                                  'search_release'  'ergens':1,2
                                     'search_rest'  'di':3,4 'ergens':7,8 'gojim':5,6 'loc':9 'pa':1 'unsorted':10 'volksmuziek':2
                                    'search_combo'  'di':3B,9,10 'ergens':5C,6C,13,14 'gojim':4B,11,12 'honga':2A 'loc':15 'pa':7 'steiners':1A 'unsorted':16 'volksmuziek':8
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  C m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-4', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  ['klezmer', 'folk', 'jewish', 'world', 'all']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630254775.857036  (2021-08-29 18:32:55)
                             'size'  3281996