======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '1277'
                                          'artist'  'Cor Steyn'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Zeven Mannen En Een Meisje (+ Sonja Oosterman & Herman Emmink)(20 Min)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '144.852'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '144.852'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Zeven Mannen En Een Meisje (+ Sonja Oosterman & Herman Emmink)(20 Min)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cor Steyn'
'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'                                       '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.43 dB'
'TXXX:replaygain_track_peak'                        '0.932124'

========================== row from database ==========================
                                              'id'  1438622
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/Cor Steyn - Zeven Mannen En Een Meisje (+Sonja Oosterman & Herman Emmink)(20 min) 1954.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  1277
                                           'genre'  prerock-unsorted
                                        'filesize'  25554784
                                           'mtime'  1621698192
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 (+Sonja min) 1954 prerock unsorted
                                      'tag_artist'  Cor Steyn
                                     'tag_release'  None
                                       'tag_title'  Zeven Mannen En Een Meisje (+ Sonja Oosterman & Herman Emmink)(20 Min)
                                             'bpm'  144.852
                                    'search_title'  '20':10 'een':4 'emmink':9 'emmink20':11 'en':3 'herman':8 'mannen':2 'meisje':5 'min':12,13 'oosterman':7 'sonja':6 'zeven':1
                                   'search_artist'  'cor':1 'steyn':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1954':6 'country':4 'exotica':2 'jazz':1 'min':9,10 'oldies':3 'prerock':11 'sonja':7,8 'unsorted':12
                                    'search_combo'  '00oldiepop':20 '1954':21 '20':10A 'cor':14B 'country':19 'een':4A 'emmink':9A 'emmink20':11A 'en':3A 'exotica':17 'herman':8A 'jazz':16 'mannen':2A 'meisje':5A 'min':12A,13A,24,25 'oldies':18 'oosterman':7A 'prerock':26 'sonja':6A,22,23 'steyn':15B 'unsorted':27 'zeven':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698191.6979408  (2021-05-22 17:43:11)
                             'size'  25554784