======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '318'
                                          'artist'  'Normaal'
                                     'text_people'  ''
                                         'release'  'top100'
                                           'title'  'Oerend hard'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dialect', 'nederlandstalig', 'rock', 'boerenrock', 'dutch', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance;loc-eur-netherlands;rock-pop-early-blues'
                                             'bpm'  '125.160'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'top100'
'TBPM' (BPM (beats per minute))                     '125.160'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-dance',
 'loc-eur-netherlands',
 'rock-pop-early-blues']
'TIT2' (Title/songname/content description)         'Oerend hard'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Normaal'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '091,190'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '026'
'TXXX:lastfmtags'                                   ['dialect', 'nederlandstalig', 'rock', 'boerenrock', 'dutch', 'blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.701783'

========================== row from database ==========================
                                              'id'  1403880
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/top100/026-Normaal-Oerend_hard.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  318
                                           'genre'  electronic-generic or radio-dance;loc-eur-netherlands;rock-pop-early-blues
                                        'filesize'  5102824
                                           'mtime'  1621630027
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 026 Oerend_hard electronic generic radio dance;loc eur netherlands;rock pop early blues
                                      'tag_artist'  Normaal
                                     'tag_release'  top100
                                       'tag_title'  Oerend hard
                                             'bpm'  125.16
                                    'search_title'  'hard':2 'oerend':1
                                   'search_artist'  'normaal':1
                                  'search_release'  'top100':1
                                     'search_rest'  '00poprockelectronic':1 'blues':20 'dance':3,9,11 'early':19 'electronic':7 'eur':13 'generic':2 'hard':6 'loc':10,12 'netherlands':14,16 'oerend':5 'pop':18 'radio':8 'rock':15,17 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':5 'blues':24 'dance':7,13,15 'early':23 'electronic':11 'eur':17 'generic':6 'hard':2A,10 'loc':14,16 'netherlands':18,20 'normaal':3B 'oerend':1A,9 'pop':22 'radio':12 'rock':19,21 'top100':4C 'trapbeat':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dialect', 'nederlandstalig', 'rock', 'boerenrock', 'dutch', 'blues']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630026.8013527  (2021-05-21 22:47:06)
                             'size'  5102824