Leonard Constant Lambert -LRB- 23 August 1905 2 August 1951 -RRB- was a British composer and conductor .
Constant Lambert -LRB- born London , 23 August 1905 ; died London , 21 August 1951 -RRB- was a British composer and conductor .
Constant Lambert -LRB- born London , 23 August 1905 ; died London , 21 August 1951 -RRB- was a British composer and conductor .
Write a simpler version for the sentence: Leonard Constant Lambert -LRB- 23 August 1905 2 August 1951 -RRB- was a British composer and conductor . Output: