Create an image inspired by Pink Floyd's song "The Great Gig in the Sky," set against the cultural backdrop of the 1970s. The scene is a celestial concert in a dreamlike sky filled with swirling, colorful clouds and stars. A grand piano floats among the clouds, with ethereal light beams emanating from it, creating a halo effect. Silhouetted figures of musicians and vocalists are seen performing, their forms blending seamlessly with the cosmic surroundings. They wear iconic 70s attire, such as flared pants, flowing dresses, and headbands, adding a touch of the era’s fashion. Waves of sound and musical notes flow through the air, creating visual ripples that blend with the starry backdrop. Interspersed among the clouds are floating vinyl records, vintage microphones, and iconic 70s symbols like peace signs and flower motifs. The overall atmosphere should evoke a sense of transcendence, ethereal beauty, and the powerful emotional impact of music, while capturing the spirit and cultural essence of the 1970s.