======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '305'
                                          'artist'  'Godgory'
                                     'text_people'  ''
                                         'release'  'Resurrection'
                                           'title'  'Death in Black'
                                           'quals'  ("['Q-HAP-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['melodic death metal', 'doom metal', 'death metal', 'doom death metal', "
 "'death doom metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '114.738'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Resurrection'
'TBPM' (BPM (beats per minute))                     '114.738'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Death in Black'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Godgory'
'TRCK' (Track number/Position in set)               '5'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['melodic death metal',
 'doom metal',
 'death metal',
 'doom death metal',
 'death doom metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.379700'

========================== row from database ==========================
                                              'id'  1335557
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Godgory - Death in Black - Resurrection.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  305
                                           'genre'  eid-unsorted
                                        'filesize'  4896640
                                           'mtime'  1620521434
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] eid unsorted
                                      'tag_artist'  Godgory
                                     'tag_release'  Resurrection
                                       'tag_title'  Death in Black
                                             'bpm'  114.738
                                    'search_title'  'black':3 'death':1 'in':2
                                   'search_artist'  'godgory':1
                                  'search_release'  'resurrection':1
                                     'search_rest'  '00poprockelectronic':1 'eid':7 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 'black':3A 'death':1A 'eid':12 'files':10,11 'godgory':4B 'in':2A 'loose':8,9 'resurrection':5C 'unsorted':7
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['melodic death metal', 'doom metal', 'death metal', 'doom death metal', 'death doom metal']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620521433.8524523  (2021-05-09 02:50:33)
                             'size'  4896640