======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '387'
                                          'artist'  'Human Factor'
                                     'text_people'  ''
                                         'release'  'Let Nature Take Its Course'
                                           'title'  '1816'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['drum and bass', 'space rock', 'heavy metal', 'power metal', 'liquid funk']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '8'
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'eid-metal-heavy'
                                             'bpm'  '144'
                                             'key'  '7A'
                                        'acoustid'  '97ce6298-8cad-4f7c-a90b-8e3235cb10f1'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '(myzuka)'
'TALB' (Album/Movie/Show title)                     'Let Nature Take Its Course'
'TBPM' (BPM (beats per minute))                     '144'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-heavy'
'TDOR' (Original release time)                      '2018'
'TDRC' (Recording time)                             '2018-06-01'
'TIT2' (Title/songname/content description)         '1816'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Human Factor'
'TPE2' (Band/orchestra/accompaniment)               'Human Factor'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/8'
'TSO2'                                              'Human Factor'
'TSOP' (Performer sort order)                       'Human Factor'
'TXXX:Acoustid Id'                                  '97ce6298-8cad-4f7c-a90b-8e3235cb10f1'
'TXXX:Artists'                                      'Human Factor'
'TXXX:MusicBrainz Album Artist Id'                  '017e97ef-a492-42ab-b333-f9b27691940e'
'TXXX:MusicBrainz Album Id'                         'e4299f40-1912-4307-9432-ab8d7f547fc5'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '017e97ef-a492-42ab-b333-f9b27691940e'
'TXXX:MusicBrainz Release Group Id'                 '8fbbaa4d-4d27-43c7-bab6-6021902d69e8'
'TXXX:MusicBrainz Release Track Id'                 'bcc6a5cc-9a8e-4ca1-87d5-0fa0c8d44f20'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['drum and bass', 'space rock', 'heavy metal', 'power metal', 'liquid funk']
'TXXX:originalyear'                                 '2018'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.97 dB'
'TXXX:replaygain_track_peak'                        '0.368411'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a10f7d43-554a-4379-986a-c6a84657e5be')

========================== row from database ==========================
                                              'id'  1399524
                                            'path'  /data/Music/Bulk/00dwimp/00metal/human factor - [2018] let nature take its course/03_human_factor_1816.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  387
                                           'genre'  eid-metal-heavy
                                        'filesize'  12475016
                                           'mtime'  1620311101
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal human factor [2018] let nature take its course 03_human_factor_1816 eid metal heavy
                                      'tag_artist'  Human Factor
                                     'tag_release'  Let Nature Take Its Course
                                       'tag_title'  1816
                                             'bpm'  144.0
                                    'search_title'  '1816':1
                                   'search_artist'  'factor':2 'human':1
                                  'search_release'  'course':5 'its':4 'let':1 'nature':2 'take':3
                                     'search_rest'  '00dwimp':1 '00metal':2 '03':12 '1816':15 '2018':5,6 'course':11 'eid':16 'factor':4,14 'heavy':18 'human':3,13 'its':10 'let':7 'metal':17 'nature':8 'take':9
                                    'search_combo'  '00dwimp':9 '00metal':10 '03':20 '1816':1A,23 '2018':13,14 'course':8C,19 'eid':24 'factor':3B,12,22 'heavy':26 'human':2B,11,21 'its':7C,18 'let':4C,15 'metal':25 'nature':5C,16 'take':6C,17
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'space rock', 'heavy metal', 'power metal', 'liquid funk']
                                        'tag_date'  2018
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620311101.363733  (2021-05-06 16:25:01)
                             'size'  12475016