Queen of Shadows by Dianne Sylvan

"Meet Miranda Grey-music and magic are in her blood.

Overwhelmed by her uncanny ability to manipulate people's emotions through her music, Miranda Grey comes to the attention of vampire lord David Solomon. Believing he can help bring her magic under control, David discovers that Miranda's powers may affect the vampire world too..." (From Amazon.com)

Paperback Info: ISBN 0441019250, Ace, August 2010