======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '318'
                                          'artist'  'Gluck'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Reigen seliger Geister'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['classical', 'baroque', 'opera', 'german', 'composer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '123.7'
                                             'key'  'F m'  (4A)
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '123.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Reigen seliger Geister'
'TKEY' (Initial key)                                'F m'
'TPE1' (Lead performer(s)/Soloist(s))               'Gluck'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBWoAYhFPPz9EegAHAxEOmgAGBaoACKPWinPCtgAHZ/rqFgAEGXquDgAGvHINbiMSAAcRbNg3CPoABgAHaxDBb2GvKbaRlgAKAAZH7p/+wz4NFAdE1AKmLgv6EH/Fqm9QyAZQ35PCRQoQZ8OK0zqIb1iyd9oU2gS/VXMjW7lK6V4Niw+4AdPRlo8m45o+xgjA='
'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'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:lastfmtags'                                   ['classical', 'baroque', 'opera', 'german', 'composer']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.556476'

========================== row from database ==========================
                                              'id'  1495284
                                            'path'  /data/Music/Other/Pa/Klassiek/Reigen seliger Geister.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  318
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  6369688
                                           'mtime'  1621094167
                                   'redo_metaread'  0
                                        'rest_str'   Pa Klassiek prerock classical or classical instruments
                                      'tag_artist'  Gluck
                                     'tag_release'  None
                                       'tag_title'  Reigen seliger Geister
                                             'bpm'  123.7
                                    'search_title'  'geister':3 'reigen':1 'seliger':2
                                   'search_artist'  'gluck':1
                                  'search_release'  
                                     'search_rest'  'classical':4 'instruments':6 'klassiek':2 'or':5 'pa':1 'prerock':3
                                    'search_combo'  'classical':8 'geister':3A 'gluck':4B 'instruments':10 'klassiek':6 'or':9 'pa':5 'prerock':7 'reigen':1A 'seliger':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  F m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  ['classical', 'baroque', 'opera', 'german', 'composer']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094166.867328  (2021-05-15 17:56:06)
                             'size'  6369688