The Ghost Whisperer will be hearing sweet music as she sees dead people in one of this season's new episodes of the CBS drama. Sources tell me exclusively that R&B/Pop artist Solange will not only appear in the episode, but she will be seen performing in the background of her new single, "I Decided." Oh, and the action all takes place aboard the famed Queen Mary.Sample dialogue you will not hear during Solange's singing-only stop-by:Melinda: Hey, girlfriend! How's B?Solange: Good, good.... Hey, don't we both know John Mayer? Matt MitovichUse our Online Video Guide to see see of the Ghost Whisperer herself.