======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '291'
                                          'artist'  'Slayer'
                                     'text_people'  ''
                                         'release'  'Jackass the Movie'
                                           'title'  ' Angel of Death'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '91.722'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Jackass the Movie'
'TBPM' (BPM (beats per minute))                     '91.722'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         ' Angel of Death'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Slayer'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.312859'

========================== row from database ==========================
                                              'id'  1491969
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/11-slayer-angel_of_death-sge.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  291
                                           'genre'  soundtrack-video
                                        'filesize'  6988551
                                           'mtime'  1620331751
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 11 slayer angel_of_death sge soundtrack video
                                      'tag_artist'  Slayer
                                     'tag_release'  Jackass the Movie
                                       'tag_title'   Angel of Death
                                             'bpm'  91.722
                                    'search_title'  'angel':1 'death':3 'of':2
                                   'search_artist'  'slayer':1
                                  'search_release'  'jackass':1 'movie':3 'the':2
                                     'search_rest'  '00dutch':4 '00mid':1 'angel':6 'death':8 'europe':3 'north':2 'of':7 'sge':9 'slayer':5 'soundtrack':10 'video':11
                                    'search_combo'  '00dutch':11 '00mid':8 'angel':1A,13 'death':3A,15 'europe':10 'jackass':5C 'movie':7C 'north':9 'of':2A,14 'sge':16 'slayer':4B,12 'soundtrack':17 'the':6C 'video':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620331750.695792  (2021-05-06 22:09:10)
                             'size'  6988551