However, there are various sources that offer insights into his life and career:
* Interviews and articles: You can find numerous interviews with Cayabyab online and in print publications. These interviews provide valuable information about his early life, musical journey, influences, and artistic philosophy.
* Documentary films: There are documentaries that feature Ryan Cayabyab, such as "Ryan Cayabyab: The Maestro," which offer a glimpse into his life and work.
* Books about Filipino music: Some books on Filipino music, particularly those focusing on popular music, include sections about Ryan Cayabyab's contributions.
While a formal autobiography is not available, you can still glean a good understanding of Ryan Cayabyab's life and career by exploring these resources.