======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '213'
                                          'artist'  'Harry Collin'
                                     'text_people'  ''
                                         'release'  'Cinetone 11517'
                                           'title'  'Geen Dag En Geen Uur (+ Jopie Koopman)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', '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'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '132.617'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cinetone 11517'
'TBPM' (BPM (beats per minute))                     '132.617'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Geen Dag En Geen Uur (+ Jopie Koopman)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Harry Collin'
'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'                                       '1'
'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'                        '+2.03 dB'
'TXXX:replaygain_track_peak'                        '0.460708'

========================== row from database ==========================
                                              'id'  674980
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Harry Collin - Geen Dag En Geen Uur (+ Jopie Koopman) 1934.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  213
                                           'genre'  prerock-unsorted
                                        'filesize'  4263730
                                           'mtime'  1621697974
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 1934 prerock unsorted
                                      'tag_artist'  Harry Collin
                                     'tag_release'  Cinetone 11517
                                       'tag_title'  Geen Dag En Geen Uur (+ Jopie Koopman)
                                             'bpm'  132.617
                                    'search_title'  'dag':2 'en':3 'geen':1 'jopie':5 'koopman':6,7 'uur':4
                                   'search_artist'  'collin':2 'harry':1
                                  'search_release'  '11517':2 'cinetone':1
                                     'search_rest'  '00oldiepop':5 '1934':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':16 '11517':11C '1934':17 'cinetone':10C 'collin':9B 'country':15 'dag':2A 'en':3A 'exotica':13 'geen':1A 'harry':8B 'jazz':12 'jopie':5A 'koopman':6A,7A 'oldies':14 'prerock':18 'unsorted':19 'uur':4A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9B
                                           '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-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697974.2580156  (2021-05-22 17:39:34)
                             'size'  4263730