What is the fine-grained topic of the following text: The composer has dedicated each part of this Linz09-commisioned work to an important person in his life, like, for instance, his mother; the saxophonists Ernest “Zeke” Vann and Ernie Calhoun, who helped paved his way as a professional musician and supported him at the beginning of his career with words and deeds; as well as fellow musicians such as Julian Priester or Kirk Lightsey. Only return the topic.
A composer dedicating parts of his Linz09-commissioned work to important people in his life.