Serpent Mage (ISBN 0712616721) is a fantasy novel published in 1986 by Greg Bear.
Michael Perrin is now back home on Earth, living with his parents and continuing his training.
Perrin moves in and begins to go through Waltiri's papers, where he finds a strange news story about bodies that were discovered in a nearby hotel.
Perrin is contacted by a musical faculty member from UCLA, Kristine Pendeers.
Pendeers is searching for Infinity Concerto - Opus 45 with hopes that it has been left in Waltiri's estate, with the goal of completing Mahler's unfinished Symphony and performing the two pieces together.