Boris Borisovich Grebenshchikov is a prominent member of the generation which is widely considered the 'founding fathers' of Russian rock music. Due as much to his personal contribution as to the lasting success of his main effort, the band Aquarium, he is a household name in Russia and much of the former Soviet Union. Grebenshchikov is frequently referred to as BG, after his initials. He is often called the 'Grandfather of Russian Rock'.
Lewis Brian Hopkin Jones was an English musician and composer, best known as the founder and original leader of the Rolling Stones. Initially a slide guitarist, Jones went on to play a wide variety of instruments on Rolling Stones recordings and in concerts, including rhythm guitar, lead guitar, sitar, dulcimer, various keyboard instruments such as piano and mellotron, marimba, wind instruments such as harmonica, recorder, saxophone, as well as drums, vocals and numerous others.