======================== unified (from filesystem) ========================
                                         'bitrate'  '48.0'
                                        'duration'  '313'
                                          'artist'  'Van Kooten & De Bie'
                                     'text_people'  ''
                                         'release'  'tijdelijk nieuw'
                                           'title'  'Het oude geheugen'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'all', '70s', 'humor', 'dutch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '057'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '104.822'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'tijdelijk nieuw'
'TBPM' (BPM (beats per minute))                     '104.822'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Het oude geheugen'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Van Kooten & De Bie'
'TRCK' (Track number/Position in set)               '057'
'TXXX:Mp3gain_minmax'                               '134,208'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'all', '70s', 'humor', 'dutch']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.69 dB'
'TXXX:replaygain_track_peak'                        '0.542799'

========================== row from database ==========================
                                              'id'  941634
                                            'path'  /data/Music/Bulk/0nonmusic/00comedians/Kooten & Bie/tijdelijk nieuw/057_Het_oude_geheugen.mp3
                                         'working'  None
                                         'bitrate'  48
                                    'duration_sec'  313
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  1883134
                                           'mtime'  1637329849
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00comedians 057_Het_oude_geheugen nonmusic speech comedy or drama
                                      'tag_artist'  Van Kooten & De Bie
                                     'tag_release'  tijdelijk nieuw
                                       'tag_title'  Het oude geheugen
                                             'bpm'  104.822
                                    'search_title'  'geheugen':3 'het':1 'oude':2
                                   'search_artist'  'bie':4 'de':3 'kooten':2 'van':1
                                  'search_release'  'nieuw':2 'tijdelijk':1
                                     'search_rest'  '00comedians':2 '057':3 '0nonmusic':1 'comedy':9 'drama':11 'geheugen':6 'het':4 'nonmusic':7 'or':10 'oude':5 'speech':8
                                    'search_combo'  '00comedians':11 '057':12 '0nonmusic':10 'bie':7B 'comedy':18 'de':6B 'drama':20 'geheugen':3A,15 'het':1A,13 'kooten':5B 'nieuw':9C 'nonmusic':16 'or':19 'oude':2A,14 'speech':17 'tijdelijk':8C 'van':4B
                                    'tag_tracknum'  57
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'all', '70s', 'humor', 'dutch']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329848.9170592  (2021-11-19 14:50:48)
                             'size'  1883134