Typewritten report. (120 pages). Contains: Yakan glossary of musical terms, "Ang musika ng mga Yakan sa Pulo ng Basilan: Isang Preliminasyong Report" (The music of Yakan in the island of Basilan: A Preliminary Report) (includes: Introduction, Music in Yakan Society, Vocal Music, Instrumental Music, Conclusion) and its draft copy. (Yakan 1976 Nicolas type written report)