sang for Denethor, Steward of Gondor, as he dine.
He has written and sang the song titled The Last Goodbye, which is the penultimate track of the 21-track, 2-disc standard edition of the OST album.
Listen to Billy Boyd sing The Last Goodbye for The Hobbit: The Battle of the Five Armies official soundtrack.
You can also listen to the previews of the songs in the album.
Track Listing of The Hobbit: The Battle of the Five Armies OST
1. Fire and Water
2. Shores of the Long Lake
3. Beyond Sorrow and Grief
4. Guardians of the Three
5. The Ruins of Dale
6. The Gathering of the Clouds
8. Bred for War
9. A Thief in the Night
10. The Clouds Burst
11. Battle for the Mountain
1. The Darkest Hour
2. Sons of Durin
3. The Fallen
5. To the Death
6. Courage and Wisdom
7. The Return Journey
8. There and Back Again
9. The Last Goodbye (written and performed by Billy Boyd)
Special Edition, has the following variation:
3. Beyond Sorrow and Grief (extended version)
4. Guardians of the Three (extended version)
6. The Gathering of the Clouds (extended version)
5. To the Death (extended version)
10. Ironfoot (extended version)
11. Dragon-sickness (bonus track)
12. Thrain (bonus track)
The OST album for The Battle of the Five Armies will be released on December 16, 2014, the same date of the film's release.