======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '155'
                                          'artist'  'Dick Willebrandts'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'm Still Crazy For You (vocal - Nelly Verschuur & Jan De Vries)"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', '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'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '143.517'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '143.517'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         "I'm Still Crazy For You (vocal - Nelly Verschuur & Jan De Vries)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Willebrandts'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                        '+2.43 dB'
'TXXX:replaygain_track_peak'                        '0.656523'

========================== row from database ==========================
                                              'id'  1520275
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/Dick Willebrandts - I_m Still Crazy For You (vocal - Nelly Verschuur & Jan de Vries) 1943.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  155
                                           'genre'  prerock-vocal
                                        'filesize'  3118958
                                           'mtime'  1642081190
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 I_m de 1943 prerock
                                      'tag_artist'  Dick Willebrandts
                                     'tag_release'  None
                                       'tag_title'  I'm Still Crazy For You (vocal - Nelly Verschuur & Jan De Vries)
                                             'bpm'  143.517
                                    'search_title'  'crazy':5 'de':13 'for':6 'i':1 'im':3 'jan':12 'm':2 'nelly':10 'still':4 'verschuur':11 'vocal':8,9 'vries':14,15 'you':7
                                   'search_artist'  'dick':1 'willebrandts':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1943':6 'country':4 'de':9 'exotica':2 'i':7 'jazz':1 'm':8 'oldies':3 'prerock':10
                                    'search_combo'  '00oldiepop':22 '1943':23 'country':21 'crazy':5A 'de':13A,26 'dick':16B 'exotica':19 'for':6A 'i':1A,24 'im':3A 'jan':12A 'jazz':18 'm':2A,25 'nelly':10A 'oldies':20 'prerock':27 'still':4A 'verschuur':11A 'vocal':8A,9A 'vries':14A,15A 'willebrandts':17B 'you':7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642081190.319345  (2022-01-13 14:39:50)
                             'size'  3118958