Given the task definition and input, reply with output. In this task, you will be given a passage to read. A fill in the blank question will be given to you. Your answer should fit the blank appropriately.

Townsend designed his two main projects , the aggressive Strapping Young Lad and his more melodic solo material , as counterparts . Strapping Young Lad 's music was a diverse mix of extreme metal genres : death metal , thrash metal , black metal and industrial metal . Townsend 's solo material blends many genres and influences , with elements of atmospheric ambient music , hard rock and progressive rock , along with pop metal and arena rock . He described it as a highly orchestrated type of expansive music based in hard rock and heavy metal . Dense and produced with a large amount of ambient elements . Despite Strapping Young Lad 's greater mainstream acceptance , Townsend identifies more with his solo material , and has never intended Strapping Young Lad to be the focus of his music . fill in the blank : Townsend designed his two main projects , the aggressive Strapping Young Lad and his more melodic __________________ material , as counterparts .
solo