======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '337'
                                          'artist'  'Frans Wouters Orkest'
                                     'text_people'  ''
                                         'release'  'Parlophone PHD   1'
                                           'title'  'Vochtige Klanken (vocal - John de Mol & Harry de Groot)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1951'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '125.782'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Parlophone PHD   1'
'TBPM' (BPM (beats per minute))                     '125.782'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1951'
'TIT2' (Title/songname/content description)         'Vochtige Klanken (vocal - John de Mol & Harry de Groot)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frans Wouters Orkest'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+1.81 dB'
'TXXX:replaygain_track_peak'                        '0.542066'

========================== row from database ==========================
                                              'id'  1437757
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1951/Frans Wouters Orkest - Vochtige Klanken (deel 1 & 2) (vocal - John de Mol & Harry de Groot) 1951.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  337
                                           'genre'  prerock-unsorted
                                        'filesize'  6743858
                                           'mtime'  1621698138
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1951 (deel 2) 1951 prerock unsorted
                                      'tag_artist'  Frans Wouters Orkest
                                     'tag_release'  Parlophone PHD   1
                                       'tag_title'  Vochtige Klanken (vocal - John de Mol & Harry de Groot)
                                             'bpm'  125.782
                                    'search_title'  'de':6 'groot':9,10 'harry':8 'john':5 'klanken':2 'mol':7 'vocal':3,4 'vochtige':1
                                   'search_artist'  'frans':1 'orkest':3 'wouters':2
                                  'search_release'  '1':3 'parlophone':1 'phd':2
                                     'search_rest'  '00oldiepop':5 '1951':6 '2':9,10 'country':4 'deel':7,8 'exotica':2 'jazz':1 'oldies':3 'prerock':11 'unsorted':12
                                    'search_combo'  '00oldiepop':21 '1':16C '1951':22 '2':25,26 'country':20 'de':6A 'deel':23,24 'exotica':18 'frans':11B 'groot':9A,10A 'harry':8A 'jazz':17 'john':5A 'klanken':2A 'mol':7A 'oldies':19 'orkest':13B 'parlophone':14C 'phd':15C 'prerock':27 'unsorted':28 'vocal':3A,4A 'vochtige':1A 'wouters':12B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1951
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698137.6168115  (2021-05-22 17:42:17)
                             'size'  6743858