======================== unified (from filesystem) ========================
                                         'bitrate'  '206.69'
                                        'duration'  '136'
                                          'artist'  'Francisco Canaro'
                                     'text_people'  ''
                                         'release'  'El tango: Pasisn y emocisn'
                                           'title'  'La puqalada'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['milonga', 'tango argentino', 'tango', 'argentine tango', 'argentina', "
 "'classical tango']")
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '21'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '119.476'
                                             'key'  '9B'
                                        'acoustid'  '5072f35d-6765-4158-8d59-690a24d3343c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Exact Audio Copy'
'COMM:ID3v1 Comment:XXX'                            'Exact Audio Copy'
'TALB' (Album/Movie/Show title)                     'El tango: Pasisn y emocisn'
'TBPM' (BPM (beats per minute))                     '119.476'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-10-01'
'TIT2' (Title/songname/content description)         'La puqalada'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Francisco Canaro'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/10'
'TPUB' (Publisher)                                  'Documents'
'TRCK' (Track number/Position in set)               '9/21'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Canaro, Francisco'
'TXXX:ASIN'                                         ['B000VX1RFS', 'B000VX1RFS']
'TXXX:Acoustid Id'                                  '5072f35d-6765-4158-8d59-690a24d3343c'
'TXXX:Albumartist'                                  'Various Artists'
'TXXX:Albumartistsort'                              'Various Artists'
'TXXX:Artistsort'                                   'Canaro, Francisco'
'TXXX:BARCODE'                                      '4011222317599'
'TXXX:CATALOGNUMBER'                                '231759'
'TXXX:Country'                                      'Argentina'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '726d19dd-cfea-466a-9447-906d5b829b5e'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'a7389752-9e5d-406d-9a02-9141600e4315'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Source'                                       'FLAC'
'TXXX:Subgenre'                                     'Guardia Nueva'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['milonga',
 'tango argentino',
 'tango',
 'argentine tango',
 'argentina',
 'classical tango']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.690433'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2998fb6b-02e3-4670-be3c-e1767c70b710')

========================== row from database ==========================
                                              'id'  1384060
                                            'path'  /data/Music/Bulk/00localcharacter/Orquesta Tmpica Victor & Alberto Carol - Cd05/09. La Puñalada (Francisco Canaro).mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  136
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  3589592
                                           'mtime'  1620528231
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Orquesta Tmpica Victor & Alberto Carol Cd05 09. Puñalada (Francisco Canaro) loc style or milonga
                                      'tag_artist'  Francisco Canaro
                                     'tag_release'  El tango: Pasisn y emocisn
                                       'tag_title'  La puqalada
                                             'bpm'  119.476
                                    'search_title'  'la':1 'puqalada':2
                                   'search_artist'  'canaro':2 'francisco':1
                                  'search_release'  'el':1 'emocisn':6 'pasisn':4 'tango':2,3 'y':5
                                     'search_rest'  '09':7,8 'alberto':4 'canaro':13,14 'carol':5 'cd05':6 'francisco':11,12 'loc':15 'milonga':18 'or':17 'orquesta':1 'punalada':9,10 'style':16 'tmpica':2 'victor':3
                                    'search_combo'  '09':17,18 'alberto':14 'canaro':4B,23,24 'carol':15 'cd05':16 'el':5C 'emocisn':10C 'francisco':3B,21,22 'la':1A 'loc':25 'milonga':28 'or':27 'orquesta':11 'pasisn':8C 'punalada':19,20 'puqalada':2A 'style':26 'tango':6C,7C 'tmpica':12 'victor':13 'y':9C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['milonga', 'tango argentino', 'tango', 'argentine tango', 'argentina', 'classical tango']
                                        'tag_date'  2007
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1620528230.9443223  (2021-05-09 04:43:50)
                             'size'  3589592