======================== unified (from filesystem) ========================
                                         'bitrate'  '258.994'
                                        'duration'  '134'
                                          'artist'  'Nasum'
                                     'text_people'  ''
                                         'release'  'Grind Finale'
                                           'title'  'X Marks the Spot'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'metal', 'grindcore', 'death metal', 'grind']"
                                     'discogstags'  "['grindcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '45'
                                      'tracktotal'  '62'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '135'
                                             'key'  '6B'
                                        'acoustid'  '52552aa1-30b4-47d6-8c87-682717e11033'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Grind Finale'
'TBPM' (BPM (beats per minute))                     '135'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'X Marks the Spot'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Nasum'
'TPE2' (Band/orchestra/accompaniment)               'Nasum'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Relapse Records'
'TRCK' (Track number/Position in set)               '45/62'
'TSO2'                                              'Nasum'
'TSOP' (Performer sort order)                       'Nasum'
'TXXX:Acoustid Id'                                  '52552aa1-30b4-47d6-8c87-682717e11033'
'TXXX:Artists'                                      'Nasum'
'TXXX:CATALOGNUMBER'                                'YSCY-1017/1018'
'TXXX:MusicBrainz Album Artist Id'                  '4b52ef0a-78c3-4b52-b4ee-658ac47ff889'
'TXXX:MusicBrainz Album Id'                         '239614a2-6b44-3b12-86d3-89880e6608d3'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '4b52ef0a-78c3-4b52-b4ee-658ac47ff889'
'TXXX:MusicBrainz Release Group Id'                 'fcc44e72-3787-3072-8d6d-9482649350fd'
'TXXX:MusicBrainz Release Track Id'                 'e9bf03d6-0fe6-3bf6-b882-f94b72d3be0a'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['grindcore', 'rock']
'TXXX:lastfmtags'                                   ['swedish', 'metal', 'grindcore', 'death metal', 'grind']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.326924'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'708214f2-2587-423f-bb80-ff899864183a')
'USLT::rus'                                         ' '
'USLT:Converted from Lyrics3 v2.00:XXX'             ' '

========================== row from database ==========================
                                              'id'  1398592
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00death/Nasum - 2006 - Grind Finale/135. X Marks The Spot.mp3
                                         'working'  None
                                         'bitrate'  259
                                    'duration_sec'  134
                                           'genre'  eid-metal-death
                                        'filesize'  4359211
                                           'mtime'  1620301766
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00death 2006 135. The eid metal death
                                      'tag_artist'  Nasum
                                     'tag_release'  Grind Finale
                                       'tag_title'  X Marks the Spot
                                             'bpm'  135.0
                                    'search_title'  'marks':2 'spot':4 'the':3 'x':1
                                   'search_artist'  'nasum':1
                                  'search_release'  'finale':2 'grind':1
                                     'search_rest'  '00death':3 '00dwimp':1 '00metal':2 '135':5,6 '2006':4 'death':10 'eid':8 'metal':9 'the':7
                                    'search_combo'  '00death':10 '00dwimp':8 '00metal':9 '135':12,13 '2006':11 'death':17 'eid':15 'finale':7C 'grind':6C 'marks':2A 'metal':16 'nasum':5B 'spot':4A 'the':3A,14 'x':1A
                                    'tag_tracknum'  45
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'metal', 'grindcore', 'death metal', 'grind']
                                        'tag_date'  2006
                                     'discogstags'  ['grindcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620301766.248256  (2021-05-06 13:49:26)
                             'size'  4359211