I really liked the historical and mystery elements, and I gave this book a star for being music-centric. However, I had a tough time connecting with the characters. Also, some research needed to be done on the definition of tantric sex before it was placed in this book's blurb and then not actually used in the story. I've done some reading about it, and just from that, I know it's equal parts physical and spiritual. Having a character not remember sex afterward because she had a vague sense of connection with something and a lot of mindblowing orgasms is not tantric sex.