======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '195'
                                          'artist'  'Krystal System'
                                     'text_people'  ''
                                         'release'  'Underground'
                                           'title'  'Slice'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-3']")
                                      'lastfmtags'  "['industrial', 'ebm', 'french', 'electro-industrial', 'electro']"
                                     'discogstags'  "['ebm', 'electro', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '130.0'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Underground'
'TBPM' (BPM (beats per minute))                     '130.0'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Slice'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Krystal System'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['ebm', 'electro', 'electronic']
'TXXX:lastfmtags'                                   ['industrial', 'ebm', 'french', 'electro-industrial', 'electro']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.90 dB'
'TXXX:replaygain_track_peak'                        '0.375176'

========================== row from database ==========================
                                              'id'  1489593
                                            'path'  /data/Music/Bulk/00dwimp/krystal system underground/07 Slice.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  195
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  3957754
                                           'mtime'  1620296889
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp krystal system underground 07 eid ebm or industrial or darkwave
                                      'tag_artist'  Krystal System
                                     'tag_release'  Underground
                                       'tag_title'  Slice
                                             'bpm'  130.0
                                    'search_title'  'slice':1
                                   'search_artist'  'krystal':1 'system':2
                                  'search_release'  'underground':1
                                     'search_rest'  '00dwimp':1 'darkwave':9 'ebm':6 'eid':5 'industrial':8 'krystal':2 'or':7 'system':3 'underground':4
                                    'search_combo'  '00dwimp':5 'darkwave':13 'ebm':10 'eid':9 'industrial':12 'krystal':2B,6 'or':11 'slice':1A 'system':3B,7 'underground':4C,8
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['industrial', 'ebm', 'french', 'electro-industrial', 'electro']
                                        'tag_date'  2008
                                     'discogstags'  ['ebm', 'electro', 'electronic']

============================== file details ==============================
                                           'mtime'  1620296888.7939582  (2021-05-06 12:28:08)
                             'size'  3957754