Listen to Dumbledore's Farewell (From 'Harry Potter and the Half-Blood Prince') online. Dumbledore's Farewell (From 'Harry Potter and the Half-Blood Prince') is an English language song and is sung by L'Orchestra Numerique. Dumbledore's Farewell (From 'Harry Potter and the Half-Blood Prince'), from the album A Sense of Adventure (25 Fantastic Tracks for Endless Imaginations), was released in the year 2014. The duration of the song is 2:20. Download English songs online from JioSaavn.