推荐理由:Dollar Note by Robert Gligorov: 2 white vertical pianos standing back to back, with a birdcage on top. When the birds jump from one perch to an other perch, the pianos play a note.
推荐理由:Dollar Note by Robert Gligorov: 2 white vertical pianos standing back to back, with a birdcage on top. When the birds jump from one perch to an other perch, the pianos play a note.