======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '253'
                                          'artist'  'Sankt Otten'
                                     'text_people'  ''
                                         'release'  'Remixe (Zuhause fühle ich mich wie ein Tourist)'
                                           'title'  'Die halbierte Gerechtigkeit (The Mighty King Kerosene-Fin - Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'trip hop', 'chillout', 'post rock', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '86.585'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Remixe (Zuhause fühle ich mich wie ein Tourist)'
'TBPM' (BPM (beats per minute))                     '86.585'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TIT2' (Title/songname/content description)         'Die halbierte Gerechtigkeit (The Mighty King Kerosene-Fin - Remix)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sankt Otten'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'trip hop', 'chillout', 'post rock', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.436317'

========================== row from database ==========================
                                              'id'  1286276
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sankt Otten/Die+halbierte+Gerechtigkeit+%28The+Mighty+King+Kerosene-Fin+-+Remix%29.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  253
                                           'genre'  electronic
                                        'filesize'  4058300
                                           'mtime'  1636914400
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Die+halbierte+Gerechtigkeit+%28The+Mighty+King+Kerosene Fin+ +Remix%29 electronic
                                      'tag_artist'  Sankt Otten
                                     'tag_release'  Remixe (Zuhause fühle ich mich wie ein Tourist)
                                       'tag_title'  Die halbierte Gerechtigkeit (The Mighty King Kerosene-Fin - Remix)
                                             'bpm'  86.585
                                    'search_title'  'die':1 'fin':9 'gerechtigkeit':3 'halbierte':2 'kerosene':8 'kerosenefin':10 'king':7 'mighty':6 'remix':11,12 'the':4,5
                                   'search_artist'  'otten':2 'sankt':1
                                  'search_release'  'ein':9 'fuhle':4,5 'ich':6 'mich':7 'remixe':1 'tourist':10,11 'wie':8 'zuhause':2,3
                                     'search_rest'  '00poprockelectronic':1 '28the':5 '29':11 'die':2 'electronic':12 'fin':9 'gerechtigkeit':4 'halbierte':3 'kerosene':8 'king':7 'mighty':6 'remix':10
                                    'search_combo'  '00poprockelectronic':26 '28the':30 '29':36 'die':1A,27 'ein':23C 'electronic':37 'fin':9A,34 'fuhle':18C,19C 'gerechtigkeit':3A,29 'halbierte':2A,28 'ich':20C 'kerosene':8A,33 'kerosenefin':10A 'king':7A,32 'mich':21C 'mighty':6A,31 'otten':14B 'remix':11A,12A,35 'remixe':15C 'sankt':13B 'the':4A,5A 'tourist':24C,25C 'wie':22C 'zuhause':16C,17C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'trip hop', 'chillout', 'post rock', 'ambient']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636914400.002361  (2021-11-14 19:26:40)
                             'size'  4058300