Please take a look at the warning article I wrote about "Free Baby Grand Piano Scam" because this scam has gained new traction. There are different subjects in the email that gets sent out, such as "Piano for Adoption", "Free Baby Piano Give Away", and similar subjects.
Warning! These are ALL scams. They will ALL ask you to pay for shipping for a "free" piano.
Too good to be true, right? That means it IS too good to be true.
Don't get caught. Report the scam to the FBI and Gmail (or whoever they are using email through) and help stop this.
Just a note, the scammers will send pictures if you engage them. Usually the pics will be of an innocent grand piano in someone's living room, no doubt taken from Craig's List or something. Pictures like this: