======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '174'
                                          'artist'  'Huilende Rappers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-3', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['all', 'hip-hop', 'nederhop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism;loc-eur-netherlands'
                                             'bpm'  '84.140'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '84.140'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism', 'loc-eur-netherlands']
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Huilende Rappers'
'TXXX:Mp3gain_minmax'                               '117,196'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['all', 'hip-hop', 'nederhop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.83 dB'
'TXXX:replaygain_track_peak'                        '0.581728'

========================== row from database ==========================
                                              'id'  937255
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Huilende Rappers/Sukkeltje.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  174
                                           'genre'  hip hop or rnb or rap or turntablism;loc-eur-netherlands
                                        'filesize'  2800699
                                           'mtime'  1620526959
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch Sukkeltje hip hop or rnb or rap or turntablism;loc eur netherlands
                                      'tag_artist'  Huilende Rappers
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  84.14
                                    'search_title'  None
                                   'search_artist'  'huilende':1 'rappers':2
                                  'search_release'  
                                     'search_rest'  '00dutch':4 '00mid':1 'eur':15 'europe':3 'hip':6 'hop':7 'loc':12,14 'netherlands':16 'north':2 'or':8 'rap':10 'rnb':9 'sukkeltje':5 'turntablism':11,13
                                    'search_combo'  '00dutch':6 '00mid':3 'eur':17 'europe':5 'hip':8 'hop':9 'huilende':1B 'loc':14,16 'netherlands':18 'north':4 'or':10 'rap':12 'rappers':2B 'rnb':11 'sukkeltje':7 'turntablism':13,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-piano-1', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['all', 'hip-hop', 'nederhop', 'rap']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526959.0836546  (2021-05-09 04:22:39)
                             'size'  2800699