======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '351'
                                          'artist'  'Henriette Davids'
                                     'text_people'  ''
                                         'release'  'Philips P 17324'
                                           'title'  'Afscheidsklanken (deel 1 & 2)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-vocal;loc-eur-netherlands'
                                             'bpm'  '129.730'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Philips P 17324'
'TBPM' (BPM (beats per minute))                     '129.730'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-vocal', 'loc-eur-netherlands']
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Afscheidsklanken (deel 1 & 2)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Henriette Davids'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.89 dB'
'TXXX:replaygain_track_peak'                        '0.391672'

========================== row from database ==========================
                                              'id'  1451444
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/Henriette Davids - Afscheidsklanken (deel 1 & 2) 1954.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  351
                                           'genre'  prerock-vocal;loc-eur-netherlands
                                        'filesize'  7028362
                                           'mtime'  1621627844
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 1954 prerock vocal;loc eur netherlands
                                      'tag_artist'  Henriette Davids
                                     'tag_release'  Philips P 17324
                                       'tag_title'  Afscheidsklanken (deel 1 & 2)
                                             'bpm'  129.73
                                    'search_title'  '1':4 '2':5,6 'afscheidsklanken':1 'deel':2,3
                                   'search_artist'  'davids':2 'henriette':1
                                  'search_release'  '17324':3 'p':2 'philips':1
                                     'search_rest'  '00oldiepop':5 '1954':6 'country':4 'eur':12 'exotica':2 'jazz':1 'loc':9,11 'netherlands':13 'oldies':3 'prerock':7 'vocal':8,10
                                    'search_combo'  '00oldiepop':16 '1':4A '17324':11C '1954':17 '2':5A,6A 'afscheidsklanken':1A 'country':15 'davids':8B 'deel':2A,3A 'eur':23 'exotica':13 'henriette':7B 'jazz':12 'loc':20,22 'netherlands':24 'oldies':14 'p':10C 'philips':9C 'prerock':18 'vocal':19,21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627844.1626518  (2021-05-21 22:10:44)
                             'size'  7028362