======================== unified (from filesystem) ========================
                                         'bitrate'  '212.844'
                                        'duration'  '221'
                                          'artist'  'The Tango Chill Out Experience'
                                     'text_people'  ''
                                         'release'  'The Tango Chill Out Experience'
                                           'title'  'Oblivion'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'remix', 'electronic', 'argentina', 'tango']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga;loc-samerica-argentina;set-pl-sced'
                                             'bpm'  '135.637'
                                             'key'  '3A'
                                        'acoustid'  '584b9f60-14a8-4f3d-ae9f-2518e75f5fd3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ÿV\x86\x0f\x12±\rI\xa0\x92É\x8f\x12Çó;'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xffV\x86\x0f\x12\xb1\rI\xa0\x92\xc9\x8f\x12\xc7\xf3;')
'PRIV:WM/WMCollectionID:ÿV\x86\x0f\x12±\rI\xa0\x92É\x8f\x12Çó;'  PRIV(owner='WM/WMCollectionID', data=b'\xffV\x86\x0f\x12\xb1\rI\xa0\x92\xc9\x8f\x12\xc7\xf3;')
'PRIV:WM/WMContentID:\x7fOP@Ò*\x19D\x81¢\x89¬0ñT)'  PRIV(owner='WM/WMContentID', data=b'\x7fOP@\xd2*\x19D\x81\xa2\x89\xac0\xf1T)')
'TALB' (Album/Movie/Show title)                     'The Tango Chill Out Experience'
'TBPM' (BPM (beats per minute))                     '135.637'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-tango or milonga', 'loc-samerica-argentina', 'set-pl-sced']
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Oblivion'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Astor Piazzolla'
'TPE2' (Band/orchestra/accompaniment)               'The Tango Chill Out Experience'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/11'
'TSO2'                                              'Tango Chill Out Experience, The'
'TSOP' (Performer sort order)                       'Tango Chill Out Experience, The'
'TXXX:ASIN'                                         'B0001DMQ0I'
'TXXX:Acoustid Id'                                  '584b9f60-14a8-4f3d-ae9f-2518e75f5fd3'
'TXXX:MusicBrainz Album Artist Id'                  'bf9e75e3-5c89-4add-925d-1b3ac38ccd63'
'TXXX:MusicBrainz Album Id'                         'db561886-3f0b-4221-8df5-ab7533fca670'
'TXXX:MusicBrainz Album Release Country'            'AR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'bf9e75e3-5c89-4add-925d-1b3ac38ccd63'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['lounge', 'remix', 'electronic', 'argentina', 'tango']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.90 dB'
'TXXX:replaygain_track_peak'                        '0.589349'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'514489a4-9c36-4b1f-ade1-c91b55fae6f2')

========================== row from database ==========================
                                              'id'  1384154
                                            'path'  /data/Music/Bulk/00localcharacter/Tango Chill Out Experience - Astor Piazzolla/[2004] The Tango Chill Out Experience/10 Oblivion.mp3
                                         'working'  None
                                         'bitrate'  212
                                    'duration_sec'  221
                                           'genre'  loc-style-tango or milonga;loc-samerica-argentina;set-pl-sced
                                        'filesize'  5927612
                                           'mtime'  1620528261
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Astor Piazzolla [2004] 10 loc style tango or milonga;loc samerica argentina;set pl sced
                                      'tag_artist'  The Tango Chill Out Experience
                                     'tag_release'  The Tango Chill Out Experience
                                       'tag_title'  Oblivion
                                             'bpm'  135.637
                                    'search_title'  'oblivion':1
                                   'search_artist'  'chill':3 'experience':5 'out':4 'tango':2 'the':1
                                  'search_release'  'chill':3 'experience':5 'out':4 'tango':2 'the':1
                                     'search_rest'  '2004':3,4 'argentina':14,16 'astor':1 'loc':5,10,12 'milonga':9,11 'or':8 'piazzolla':2 'pl':18 'samerica':13 'sced':19 'set':15,17 'style':6 'tango':7
                                    'search_combo'  '2004':14,15 'argentina':25,27 'astor':12 'chill':4B,9C 'experience':6B,11C 'loc':16,21,23 'milonga':20,22 'oblivion':1A 'or':19 'out':5B,10C 'piazzolla':13 'pl':29 'samerica':24 'sced':30 'set':26,28 'style':17 'tango':3B,8C,18 'the':2B,7C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'remix', 'electronic', 'argentina', 'tango']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528260.9903026  (2021-05-09 04:44:20)
                             'size'  5927612