======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '232'
                                          'artist'  'Brainpower'
                                     'text_people'  ''
                                         'release'  'Dansplaat'
                                           'title'  'Dans maar (vs. Herman van Veen)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-3', '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-3']")
                                      'lastfmtags'  "['nederlandstalig', 'nederhop', 'hiphop', 'hip hop', 'rap', 'dutch']"
                                     'discogstags'  "['hip hop', 'pop rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '119.900'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dansplaat'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Dans maar (vs. Herman van Veen)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Brainpower'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['hip hop', 'pop rap']
'TXXX:lastfmtags'                                   ['nederlandstalig', 'nederhop', 'hiphop', 'hip hop', 'rap', 'dutch']
'TXXX:original release date'                        ['2002', '2002']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.35 dB'
'TXXX:replaygain_track_peak'                        '0.537323'

========================== row from database ==========================
                                              'id'  1321791
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Brainpower__Dansplaat__02 - Dans maar (feat. Herman van Veen).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  232
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5570131
                                           'mtime'  1620572742
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Brainpower__Dansplaat__02 (feat. hip hop or rnb or rap or turntablism
                                      'tag_artist'  Brainpower
                                     'tag_release'  Dansplaat
                                       'tag_title'  Dans maar (vs. Herman van Veen)
                                             'bpm'  119.9
                                    'search_title'  'dans':1 'herman':5 'maar':2 'van':6 'veen':7,8 'vs':3,4
                                   'search_artist'  'brainpower':1
                                  'search_release'  'dansplaat':1
                                     'search_rest'  '00poprockelectronic':1 '02':9 'brainpower':7 'dansplaat':8 'feat':10,11 'files':5,6 'hip':12 'hop':13 'loose':3,4 'or':14 'rap':16 'rnb':15 'turntablism':17 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 '02':19 'brainpower':9B,17 'dans':1A 'dansplaat':10C,18 'feat':20,21 'files':15,16 'herman':5A 'hip':22 'hop':23 'loose':13,14 'maar':2A 'or':24 'rap':26 'rnb':25 'turntablism':27 'unsorted':12 'van':6A 'veen':7A,8A 'vs':3A,4A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['nederlandstalig', 'nederhop', 'hiphop', 'hip hop', 'rap', 'dutch']
                                        'tag_date'  2002
                                     'discogstags'  ['hip hop', 'pop rap']

============================== file details ==============================
                                           'mtime'  1620572742.1025286  (2021-05-09 17:05:42)
                             'size'  5570131