======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '159'
                                          'artist'  'August de Laat'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Waar Moet Dat Heen In Deze Eeuw'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1912'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands;prerock-vocal'
                                             'bpm'  '125.548'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '125.548'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-netherlands', 'prerock-vocal']
'TDRC' (Recording time)                             '1912'
'TIT2' (Title/songname/content description)         'Waar Moet Dat Heen In Deze Eeuw'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'August de Laat'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+2.87 dB'
'TXXX:replaygain_track_peak'                        '0.331125'

========================== row from database ==========================
                                              'id'  1435301
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1912/August de Laat - Waar Moet Dat Heen In Deze Eeuw 1912.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  159
                                           'genre'  loc-eur-netherlands;prerock-vocal
                                        'filesize'  3188549
                                           'mtime'  1621627073
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1912 1912 loc eur netherlands;prerock vocal
                                      'tag_artist'  August de Laat
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Waar Moet Dat Heen In Deze Eeuw
                                             'bpm'  125.548
                                    'search_title'  'dat':3 'deze':6 'eeuw':7 'heen':4 'in':5 'moet':2 'waar':1
                                   'search_artist'  'august':1 'de':2 'laat':3
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1912':6 'country':4 'eur':8 'exotica':2 'jazz':1 'loc':7 'netherlands':9,11 'oldies':3 'prerock':10,12 'vocal':13
                                    'search_combo'  '00oldiepop':20 '1912':21 'album':12C 'august':8B 'country':19 'dat':3A 'de':9B 'deze':6A 'eeuw':7A 'eur':23 'exotica':17 'heen':4A 'in':5A 'jazz':16 'laat':10B 'loc':22 'moet':2A 'netherlands':24,26 'non':11C 'nonalbum':13C 'oldies':18 'prerock':25,27 'tracks':14C,15C 'vocal':28 'waar':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['q-chart-1', 'q-drums-1', 'q-vocals-4', 'q-other-1', 'q-busy-3', 'q-mixbeat-1', 'q-syn-1', 'q-play-2', 'q-piano-1', 'q-bass-1', 'q-grit-2']
                                        'tag_date'  1912
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627073.1863832  (2021-05-21 21:57:53)
                             'size'  3188549