======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '224'
                                          'artist'  'De Huilende Rappers'
                                     'text_people'  ''
                                         'release'  'Huilende Rappers'
                                           'title'  'Butje'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['piraatjes', 'all', 'nederhop', 'rap', 'hip hop']"
                                     'discogstags'  "['gangsta', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism;loc-eur-netherlands'
                                             'bpm'  '124.929'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Huilende Rappers'
'TBPM' (BPM (beats per minute))                     '124.929'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism', 'loc-eur-netherlands']
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Butje'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'De Huilende Rappers'
'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:discogstags'                                  ['gangsta', 'hip hop']
'TXXX:lastfmtags'                                   ['piraatjes', 'all', 'nederhop', 'rap', 'hip hop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.45 dB'
'TXXX:replaygain_track_peak'                        '0.470129'

========================== row from database ==========================
                                              'id'  1306797
                                            'path'  /data/Music/Bulk/00spent/Huilende Rappers/De Huilende Rappers - Butje.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  224
                                           'genre'  hip hop or rnb or rap or turntablism;loc-eur-netherlands
                                        'filesize'  3592064
                                           'mtime'  1620536157
                                   'redo_metaread'  0
                                        'rest_str'   00spent hip hop or rnb or rap or turntablism;loc eur netherlands
                                      'tag_artist'  De Huilende Rappers
                                     'tag_release'  Huilende Rappers
                                       'tag_title'  Butje
                                             'bpm'  124.929
                                    'search_title'  'butje':1
                                   'search_artist'  'de':1 'huilende':2 'rappers':3
                                  'search_release'  'huilende':1 'rappers':2
                                     'search_rest'  '00spent':1 'eur':11 'hip':2 'hop':3 'loc':8,10 'netherlands':12 'or':4 'rap':6 'rnb':5 'turntablism':7,9
                                    'search_combo'  '00spent':7 'butje':1A 'de':2B 'eur':17 'hip':8 'hop':9 'huilende':3B,5C 'loc':14,16 'netherlands':18 'or':10 'rap':12 'rappers':4B,6C 'rnb':11 'turntablism':13,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['piraatjes', 'all', 'nederhop', 'rap', 'hip hop']
                                        'tag_date'  2015
                                     'discogstags'  ['gangsta', 'hip hop']

============================== file details ==============================
                                           'mtime'  1620536156.893657  (2021-05-09 06:55:56)
                             'size'  3592064