======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '178'
                                          'artist'  'Max Woiski Sr'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bruine Bonen Met Rijst (BB Met R)'
                                           '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']")
                                      'lastfmtags'  "['caribbean', 'suriname', 'paramaribo', 'dutch caribbean', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '108.181'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '108.181'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         'Bruine Bonen Met Rijst (BB Met R)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Max Woiski Sr'
'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:lastfmtags'                                   ['caribbean', 'suriname', 'paramaribo', 'dutch caribbean', '60s']
'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'                        '+2.02 dB'
'TXXX:replaygain_track_peak'                        '0.563584'

========================== row from database ==========================
                                              'id'  1427495
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1950/Max Woiski sr - Bruine Bonen Met Rijst (BB Met R) 1950.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  178
                                           'genre'  prerock-unsorted
                                        'filesize'  3565397
                                           'mtime'  1621698132
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1950 sr 1950 prerock unsorted
                                      'tag_artist'  Max Woiski Sr
                                     'tag_release'  None
                                       'tag_title'  Bruine Bonen Met Rijst (BB Met R)
                                             'bpm'  108.181
                                    'search_title'  'bb':5,6 'bonen':2 'bruine':1 'met':3 'r':7,8 'rijst':4
                                   'search_artist'  'max':1 'sr':3 'woiski':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1950':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'sr':7 'unsorted':9
                                    'search_combo'  '00oldiepop':16 '1950':17 'bb':5A,6A 'bonen':2A 'bruine':1A 'country':15 'exotica':13 'jazz':12 'max':9B 'met':3A 'oldies':14 'prerock':19 'r':7A,8A 'rijst':4A 'sr':11B,18 'unsorted':20 'woiski':10B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           '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'  ['caribbean', 'suriname', 'paramaribo', 'dutch caribbean', '60s']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698132.1122162  (2021-05-22 17:42:12)
                             'size'  3565397