The Girl in the Gramophone by Geof Johnson

Brady Lockhart — a divorced, unhappy audio engineer — buys a gramophone, and discovers a secret drawer inside it, filled with mysterious old records. He is fascinated by them, and every time he hears them, he has vivid, inexplicable dreams about a beautiful young woman from 1935, Lorraine Sinclair. At first he thinks she's merely a figment of his imagination, but the more he listens to the records, the more he realizes she's something else, perhaps a ghost, and he eventually comes to believe that Lorraine may be alive and has been trapped for decades in an ethereal dimension that he can only visit in his dreams. He resolves to rescue her and bring her back to the real world, but his family doesn't understand, and the more he talks about her, the more they worry that he's losing his mind. Forced commitment to a psychiatric facility seems inevitable. Brady must use all of his grit, ingenuity, and skills to save Lorraine before she is claimed by a malevolent man from her past or doomed to an eternity of solitude in a stark, dismal plane of existence.