======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '292'
                                          'artist'  'Bersarin Quartett'
                                     'text_people'  ''
                                         'release'  'Deep Space One'
                                           'title'  'Die Nachte sind erfullt von Maskenfesten'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'Q-PLAY-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'downtempo', 'electronic', 'minimal', 'ambient']"
                                     'discogstags'  "['modern classical', 'electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '134.9'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Conver Art'                                   type PictureType.COVER_FRONT (Cover (front)) b'Conver Art'
                                     
'TALB' (Album/Movie/Show title)                     'Deep Space One'
'TBPM' (BPM (beats per minute))                     '134.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Die Nachte sind erfullt von Maskenfesten'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bersarin Quartett'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['modern classical', 'electronic', 'ambient']
'TXXX:lastfmtags'                                   ['instrumental', 'downtempo', 'electronic', 'minimal', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.08 dB'
'TXXX:replaygain_track_peak'                        '0.510127'

========================== row from database ==========================
                                              'id'  1104688
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Deep Space One- Deep ambient electronic and space music/Bersarin Quartett - Die Nachte sind erfullt von Maskenfesten.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  292
                                           'genre'  electronic-ambient
                                        'filesize'  4677483
                                           'mtime'  1636909926
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm ambient electronic and space music electronic ambient
                                      'tag_artist'  Bersarin Quartett
                                     'tag_release'  Deep Space One
                                       'tag_title'  Die Nachte sind erfullt von Maskenfesten
                                             'bpm'  134.9
                                    'search_title'  'die':1 'erfullt':4 'maskenfesten':6 'nachte':2 'sind':3 'von':5
                                   'search_artist'  'bersarin':1 'quartett':2
                                  'search_release'  'deep':1 'one':3 'space':2
                                     'search_rest'  'ambient':1 'and':3 'electronic':2 'music':5 'space':4
                                    'search_combo'  'ambient':12 'and':14 'bersarin':7B 'deep':9C 'die':1A 'electronic':13 'erfullt':4A 'maskenfesten':6A 'music':16 'nachte':2A 'one':11C 'quartett':8B 'sind':3A 'space':10C,15 'von':5A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'downtempo', 'electronic', 'minimal', 'ambient']
                                        'tag_date'  2010
                                     'discogstags'  ['modern classical', 'electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636909926.2371943  (2021-11-14 18:12:06)
                             'size'  4677483