======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '205'
                                          'artist'  'System Syn'
                                     'text_people'  ''
                                         'release'  'Electronic Saviors: Industrial Music to Cure Cancer'
                                           'title'  'Blood (2009 edit)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'q-bass-2', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['ebm', 'futurepop', 'synthpop', 'industrial', 'dark electro', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '17'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-futurepop'
                                             'bpm'  '133.9'
                                             'key'  '10B'
                                        'acoustid'  'cd4eaffa-229e-48a3-ba37-2cbb044017f2'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Electronic Saviors: Industrial Music to Cure Cancer'
'TBPM' (BPM (beats per minute))                     '133.9'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-futurepop'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-01-21'
'TIT2' (Title/songname/content description)         'Blood (2009 edit)'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'System Syn'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/5'
'TPUB' (Publisher)                                  'Metropolis Records'
'TRCK' (Track number/Position in set)               '9/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'System Syn'
'TSST' (Set subtitle)                               'Surgery'
'TXXX:ASIN'                                         'B00313O69Y'
'TXXX:Acoustid Id'                                  'cd4eaffa-229e-48a3-ba37-2cbb044017f2'
'TXXX:Artists'                                      'System Syn'
'TXXX:BARCODE'                                      '782388063029'
'TXXX:CATALOGNUMBER'                                'MET 630'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '2495504d-bd5b-48a4-aa75-f4b8519ed462'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '39f6ec8c-743f-4c51-b650-012c29223774'
'TXXX:MusicBrainz Release Group Id'                 'bed9e1b0-e043-4881-8921-73b845cd5abc'
'TXXX:MusicBrainz Release Track Id'                 '8686abfd-26fa-33dc-aceb-85e170385b88'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['ebm', 'futurepop', 'synthpop', 'industrial', 'dark electro', 'electronic']
'TXXX:originalyear'                                 '2010'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.25 dB'
'TXXX:replaygain_track_peak'                        '0.528172'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ccdffb24-cc90-4513-b94d-2d7a9e7f5dbb')

========================== row from database ==========================
                                              'id'  1488593
                                            'path'  /data/Music/Bulk/00dwimp/CD 3 - Surgery/09. System Syn - Blood (2009 Edit).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  205
                                           'genre'  eid-ebm or industrial or darkwave-futurepop
                                        'filesize'  8271102
                                           'mtime'  1620296660
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp CD 3 Surgery 09. Edit) eid ebm industrial darkwave futurepop
                                      'tag_artist'  System Syn
                                     'tag_release'  Electronic Saviors: Industrial Music to Cure Cancer
                                       'tag_title'  Blood (2009 edit)
                                             'bpm'  133.9
                                    'search_title'  '2009':2,3 'blood':1 'edit':4,5
                                   'search_artist'  'syn':2 'system':1
                                  'search_release'  'cancer':8 'cure':7 'electronic':1 'industrial':4 'music':5 'saviors':2,3 'to':6
                                     'search_rest'  '00dwimp':1 '09':5,6 '3':3 'cd':2 'darkwave':12 'ebm':10 'edit':7,8 'eid':9 'futurepop':13 'industrial':11 'surgery':4
                                    'search_combo'  '00dwimp':16 '09':20,21 '2009':2A,3A '3':18 'blood':1A 'cancer':15C 'cd':17 'cure':14C 'darkwave':27 'ebm':25 'edit':4A,5A,22,23 'eid':24 'electronic':8C 'futurepop':28 'industrial':11C,26 'music':12C 'saviors':9C,10C 'surgery':19 'syn':7B 'system':6B 'to':13C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-3', 'q-bass-2']
                                      'lastfmtags'  ['ebm', 'futurepop', 'synthpop', 'industrial', 'dark electro', 'electronic']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296660.4569411  (2021-05-06 12:24:20)
                             'size'  8271102