======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '357'
                                          'artist'  'Het Goede Doel'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Belgie (Is Er Leven Op Pluto)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', '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-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['nederlandstalig', 'pop', 'nederlands', 'dutch', '80s', 'nederpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '141.019'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '141.019'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Belgie (Is Er Leven Op Pluto)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Het Goede Doel'
'TXXX:Mp3gain_minmax'                               '047,185'
'TXXX:Mp3gain_undo'                                 '+001,+001,N'
'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'                                   ['nederlandstalig', 'pop', 'nederlands', 'dutch', '80s', 'nederpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.18 dB'
'TXXX:replaygain_track_peak'                        '0.792222'

========================== row from database ==========================
                                              'id'  932860
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Goede Doel/Het goede doel-Belgie(is er leven op Pluto).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  357
                                           'genre'  loc-eur-netherlands
                                        'filesize'  5719446
                                           'mtime'  1621625240
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch goede doel Belgie(is er leven op loc eur netherlands
                                      'tag_artist'  Het Goede Doel
                                     'tag_release'  None
                                       'tag_title'  Belgie (Is Er Leven Op Pluto)
                                             'bpm'  141.019
                                    'search_title'  'belgie':1 'er':4 'is':2,3 'leven':5 'op':6 'pluto':7,8
                                   'search_artist'  'doel':3 'goede':2 'het':1
                                  'search_release'  
                                     'search_rest'  '00dutch':4 '00mid':1 'belgie':7 'belgieis':9 'doel':6 'er':10 'eur':14 'europe':3 'goede':5 'is':8 'leven':11 'loc':13 'netherlands':15 'north':2 'op':12
                                    'search_combo'  '00dutch':15 '00mid':12 'belgie':1A,18 'belgieis':20 'doel':11B,17 'er':4A,21 'eur':25 'europe':14 'goede':10B,16 'het':9B 'is':2A,3A,19 'leven':5A,22 'loc':24 'netherlands':26 'north':13 'op':6A,23 'pluto':7A,8A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['nederlandstalig', 'pop', 'nederlands', 'dutch', '80s', 'nederpop']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625239.6298685  (2021-05-21 21:27:19)
                             'size'  5719446