Legendary singer S.P. Balasubrahmanyam was renowned for his spontaneous, high-energy stage presence, often surprising audiences with unplanned improvisations and rare, interactive performances. Instances of his improvisational genius include surprising bandmates with spontaneous, semi-carnatic intros during live concerts, as well as collaborative, high-energy moments with composer Ilaiyaraaja. Watch a detailed story of a spontaneous performance by SPB on Facebook .