The "Complete Symphonies by Prokofiev / Onf / Rostropovich" 4 CD set is a collection of classical music featuring the works of renowned composers such as Prokofiev, Onf, and Rostropovich. Released in 2008 by Wcl and Warner Classics, this set includes all of the symphonies composed by these artists, providing listeners with a comprehensive and immersive musical experience. With a focus on symphonic works, this collection is a must-have for classical music enthusiasts looking to explore the music of these iconic composers.