I couldn't find any specific information about a musician named "Bill Ryan" that matches the releases you provided. However, I did find information about a composer and guitarist named Bill Ryan, who is the founder of the contemporary classical music ensemble "Billband". He is also known for his work as a producer and engineer, and has been involved in various projects that combine elements of classical and rock music.

As the founder of Billband, Ryan has released several albums that feature a unique blend of classical and rock influences. The ensemble has also collaborated with other musicians and composers, such as Mason Bates and Steve Reich. Ryan's work often incorporates elements of minimalism and experimental music, and he is known for his innovative approach to classical music.