======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '293'
                                          'artist'  'Death Angel'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Evil Priest'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '32'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '145.476'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.476'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TIT2' (Title/songname/content description)         'Evil Priest'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Death Angel'
'TRCK' (Track number/Position in set)               '32'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.575465'

========================== row from database ==========================
                                              'id'  1353705
                                            'path'  /data/Music/Bulk/00poprockelectronic/Death Angel/The ultra violence/02 - Death Angel - evil priest.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  293
                                           'genre'  eid-metal-trash
                                        'filesize'  5875584
                                           'mtime'  1620311698
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic The ultra violence 02 evil priest eid metal trash
                                      'tag_artist'  Death Angel
                                     'tag_release'  None
                                       'tag_title'  Evil Priest
                                             'bpm'  145.476
                                    'search_title'  'evil':1 'priest':2
                                   'search_artist'  'angel':2 'death':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'eid':7 'evil':5 'metal':8 'priest':6 'the':2 'trash':9 'ultra':3 'violence':4
                                    'search_combo'  '00poprockelectronic':5 'angel':4B 'death':3B 'eid':11 'evil':1A,9 'metal':12 'priest':2A,10 'the':6 'trash':13 'ultra':7 'violence':8
                                    'tag_tracknum'  32
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311697.9328296  (2021-05-06 16:34:57)
                             'size'  5875584