Concert poster for the band Rabbit featuring a single girl with a theme of broken hearts and skulls in purples, pink, and black. Highlight black silhouette art in a striking 8K UHD HDR presentation. Model to embody a distinctive dark vibe. Avoid elements that include duplication, disfigurement, or mutation to maintain an artistic and visually appealing image. Exclude blurred, low-resolution elements, and unnecessary text or logos to focus on the essence of the concert's theme. Create an atmosphere that's visually compelling and distinct, capturing the unique essence of the event without compromising on clarity or style.