Sleep without morning1972

The story of a girl wrongly suspected of a murder. She is a music student in New York. She goes out to Arizona and her friends go with her to help protect her. Gothic mystery. From the back of the book:The first discordant note is struck when pretty young musical student Bridget Evans stumbles upon the strangled corpse of a wealthy benefactor, Liz Conway. The theme of terror deepens when no one believes Bridget's story about the mysterious man she saw leaving the scene of the crime. Soon even the lyric strain of love is poisoned by suspicion as Bridget discovers the charming young man who has unexpectedly appeared in her life is not who he claims to be. The chorus of deception and danger around Bridget rises to a deafening pitch---until her beautiful voice becomes a desperate scream...