Was the singer Robert Palmer friends with Lord Keith Harledge?

That is true. Robert Palmer met Ketih Harledge before he inherited his title in 1974, when Harledge was twenty-three years old and Palmer was twenty-six years old. They were introduced through Chris Blackwell. Robert Palmer remained friends with Harledge until his death in 2003. Also, Robert Palmer became business partners with Harledge in 1975 and entered into many business ventures in conjunction with Harledge over the years. By all accounts, their enterprises were quite successful.