======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '231'
                                          'artist'  'Def P & De Beatbusters'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Zappen'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['the netherlands', 'under 2000 listeners', 'dutch', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands;entertaining-why do i keep this'
                                             'bpm'  '93.285'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:; \x00\x00'                      PRIV(owner='AverageLevel', data=b'; \x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TBPM' (BPM (beats per minute))                     '93.285'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-netherlands', 'entertaining-why do i keep this']
'TIT2' (Title/songname/content description)         'Zappen'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Def P & De Beatbusters'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['the netherlands', 'under 2000 listeners', 'dutch', 'all']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.24 dB'
'TXXX:replaygain_track_peak'                        '0.432090'

========================== row from database ==========================
                                              'id'  1494831
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Def P & De Beatbusters - Zappen.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  231
                                           'genre'  loc-eur-netherlands;entertaining-why do i keep this
                                        'filesize'  3698759
                                           'mtime'  1621630016
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat loc eur netherlands;entertaining why do i keep this
                                      'tag_artist'  Def P & De Beatbusters
                                     'tag_release'  None
                                       'tag_title'  Zappen
                                             'bpm'  93.285
                                    'search_title'  'zappen':1
                                   'search_artist'  'beatbusters':4 'de':3 'def':1 'p':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'do':12 'entertaining':8,10 'eur':6 'generic':2 'i':13 'keep':14 'loc':5 'netherlands':7,9 'this':15 'trapbeat':4 'why':11
                                    'search_combo'  '00poprockelectronic':6 'beatbusters':5B 'dance':8 'de':4B 'def':2B 'do':17 'entertaining':13,15 'eur':11 'generic':7 'i':18 'keep':19 'loc':10 'netherlands':12,14 'p':3B 'this':20 'trapbeat':9 'why':16 'zappen':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['the netherlands', 'under 2000 listeners', 'dutch', 'all']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630015.6088092  (2021-05-21 22:46:55)
                             'size'  3698759