John Sykes, the guitarist whose talent helped propel Whitesnake to success, is dead at 65. He also worked with the bands Thin Lizzy and Blue Murder.

The English guitarist co-wrote Whitesnake's 'Is This Love,' one of the defining power ballads of late-'80s hard rock.

Former Thin Lizzy and Whitesnake guitarist John Sykes has died at the age of 65 after being diagnosed with cancer.