======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '255'
                                          'artist'  'Skalpel'
                                     'text_people'  ''
                                         'release'  'Konfusion'
                                           'title'  'Shivers'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'jazz', 'ninja tune', 'nu jazz', 'polish']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '139.083'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Konfusion'
'TBPM' (BPM (beats per minute))                     '139.083'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Shivers'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Skalpel'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'jazz', 'ninja tune', 'nu jazz', 'polish']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.43 dB'
'TXXX:replaygain_track_peak'                        '0.723632'

========================== row from database ==========================
                                              'id'  1256933
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Skalpel/Konfusion/10. shivers.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  255
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  7161738
                                           'mtime'  1620535118
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 10. shivers prerock jb jazz unsorted
                                      'tag_artist'  Skalpel
                                     'tag_release'  Konfusion
                                       'tag_title'  Shivers
                                             'bpm'  139.083
                                    'search_title'  'shivers':1
                                   'search_artist'  'skalpel':1
                                  'search_release'  'konfusion':1
                                     'search_rest'  '10':5,6 'country':4 'exotica':2 'jazz':1 'jb':9 'oldies':3 'prerock':8 'shivers':7 'unsorted':10
                                    'search_combo'  '10':8,9 'country':7 'exotica':5 'jazz':4 'jb':12 'konfusion':3C 'oldies':6 'prerock':11 'shivers':1A,10 'skalpel':2B 'unsorted':13
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['electronic', 'jazz', 'ninja tune', 'nu jazz', 'polish']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620535117.9427447  (2021-05-09 06:38:37)
                             'size'  7161738