======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '184'
                                          'artist'  "Juan D'Arienzo"
                                     'text_people'  ''
                                         'release'  'french tanguerooo'
                                           'title'  'Desde el alma'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['tango argentino', 'tango', 'argentine tango', 'world', 'argentina', "
 "'classical tango']")
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '98'
                                             'key'  '10A'
                                        'acoustid'  'c7b2a5f6-e359-423a-a97c-2672d6a40409'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '98'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'FrenchTanguero'
'TIT2' (Title/songname/content description)         'Desde el alma'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Juan D'Arienzo"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'BMG Argentina'
'TSO2'                                              "D'Arienzo, Juan"
'TSOP' (Performer sort order)                       "D'Arienzo, Juan"
'TXXX:ASIN'                                         'B00005QAKK'
'TXXX:Acoustid Id'                                  'c7b2a5f6-e359-423a-a97c-2672d6a40409'
'TXXX:Artists'                                      "Juan D'Arienzo"
'TXXX:BARCODE'                                      '743216334223'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['tango argentino',
 'tango',
 'argentine tango',
 'world',
 'argentina',
 'classical tango']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.484051'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c002dfbe-e826-4d85-81ba-56797acbe3d9')

========================== row from database ==========================
                                              'id'  929973
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/desde el alma jda35.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  184
                                           'genre'  loc-eur-france
                                        'filesize'  2985649
                                           'mtime'  1620536229
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter desde jda35 loc eur france
                                      'tag_artist'  Juan D'Arienzo
                                     'tag_release'  french tanguerooo
                                       'tag_title'  Desde el alma
                                             'bpm'  98.0
                                    'search_title'  'alma':3 'desde':1 'el':2
                                   'search_artist'  'arienzo':3 'd':2 'darienzo':4 'juan':1
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'desde':1 'eur':4 'france':5 'jda35':2 'loc':3
                                    'search_combo'  'alma':3A 'arienzo':6B 'd':5B 'darienzo':7B 'desde':1A,10 'el':2A 'eur':13 'france':14 'french':8C 'jda35':11 'juan':4B 'loc':12 'tanguerooo':9C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['tango argentino', 'tango', 'argentine tango', 'world', 'argentina', 'classical tango']
                                        'tag_date'  1998
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1620536229.2380316  (2021-05-09 06:57:09)
                             'size'  2985649