De Leon, G. A. (1997). Recital I (voice). UP College of Music.
Lua i Stíl Chicago (17ú heag.)De Leon, Greg Abelardo. Recital I (voice). Quezon City: UP College of Music, 1997.
Lua MLA (9ú heag.)De Leon, Greg Abelardo. Recital I (voice). UP College of Music, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.