======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '200'
                                          'artist'  'Kees Pruis'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Auf Wiedersehen My Dear'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['humor', 'netherlands', 'nederlands', 'holland', 'dutch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1932'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands;prerock-vocal'
                                             'bpm'  '121.0'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '121.0'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-netherlands', 'prerock-vocal']
'TDRC' (Recording time)                             '1932-09-05'
'TIT2' (Title/songname/content description)         'Auf Wiedersehen My Dear'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '200000'
'TPE1' (Lead performer(s)/Soloist(s))               'Kees Pruis'
'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:lastfmtags'                                   ['humor', 'netherlands', 'nederlands', 'holland', 'dutch']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.54 dB'
'TXXX:replaygain_track_peak'                        '0.694895'

========================== row from database ==========================
                                              'id'  1467874
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1932/Kees Pruis - Auf Wiedersehen My Dear 5-9-1932.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  200
                                           'genre'  loc-eur-netherlands;prerock-vocal
                                        'filesize'  4093012
                                           'mtime'  1621627155
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1932 5 9 1932 loc eur netherlands;prerock vocal
                                      'tag_artist'  Kees Pruis
                                     'tag_release'  None
                                       'tag_title'  Auf Wiedersehen My Dear
                                             'bpm'  121.0
                                    'search_title'  'auf':1 'dear':4 'my':3 'wiedersehen':2
                                   'search_artist'  'kees':1 'pruis':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1932':6 '5':7 '9':8 'country':4 'eur':10 'exotica':2 'jazz':1 'loc':9 'netherlands':11,13 'oldies':3 'prerock':12,14 'vocal':15
                                    'search_combo'  '00oldiepop':11 '1932':12 '5':13 '9':14 'auf':1A 'country':10 'dear':4A 'eur':16 'exotica':8 'jazz':7 'kees':5B 'loc':15 'my':3A 'netherlands':17,19 'oldies':9 'prerock':18,20 'pruis':6B 'vocal':21 'wiedersehen':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           '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-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['humor', 'netherlands', 'nederlands', 'holland', 'dutch']
                                        'tag_date'  1932
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627155.1135354  (2021-05-21 21:59:15)
                             'size'  4093012