======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '210'
                                          'artist'  'Bloodbath'
                                     'text_people'  ''
                                         'release'  'Nightmares Made Flesh'
                                           'title'  'Blood Vortex'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['swedish', 'metal', 'melodic death metal', 'death metal', 'brutal death "
 "metal']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-death-melodic'
                                             'bpm'  '85'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Nightmares Made Flesh'
'TBPM' (BPM (beats per minute))                     '85'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death-melodic'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Blood Vortex'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bloodbath'
'TRCK' (Track number/Position in set)               '12'
'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'                                  ['death metal', 'rock']
'TXXX:lastfmtags'                                   ['swedish', 'metal', 'melodic death metal', 'death metal', 'brutal death metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.50 dB'
'TXXX:replaygain_track_peak'                        '0.374177'

========================== row from database ==========================
                                              'id'  1398624
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00death/Bloodbath/Nightmares Made Flesh/12 - Bloodbath - Blood Vortex.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  210
                                           'genre'  eid-metal-death-melodic
                                        'filesize'  8412756
                                           'mtime'  1620301274
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00death 12 eid metal death melodic
                                      'tag_artist'  Bloodbath
                                     'tag_release'  Nightmares Made Flesh
                                       'tag_title'  Blood Vortex
                                             'bpm'  85.0
                                    'search_title'  'blood':1 'vortex':2
                                   'search_artist'  'bloodbath':1
                                  'search_release'  'flesh':3 'made':2 'nightmares':1
                                     'search_rest'  '00death':3 '00dwimp':1 '00metal':2 'death':6 'eid':4 'melodic':7 'metal':5
                                    'search_combo'  '00death':9 '00dwimp':7 '00metal':8 'blood':1A 'bloodbath':3B 'death':12 'eid':10 'flesh':6C 'made':5C 'melodic':13 'metal':11 'nightmares':4C 'vortex':2A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'metal', 'melodic death metal', 'death metal', 'brutal death metal']
                                        'tag_date'  2004
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301274.4665232  (2021-05-06 13:41:14)
                             'size'  8412756