[video]
| musica | Zum |
| [orchestra] | |
| vocalisti | |
| lingua | |
| rec. date | |
| persone | |
| Durata | 03:28 |
| geo | |
| data | |
| [description] | A rare video of the late Hernan with Mariana Dragone. Their technique-classes were outstanding and |
| contributor | https://youtube.com/detlefmelina |
| [source] | https://youtube.com/watch?v=gqaCrxR540U |
| provider | youtube |