You will be given a definition of a task first, then some input of the task.
In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

"Peace on Earth/Little Drummer Boy" (sometimes titled "The Little Drummer Boy/Peace on Earth") is a Christmas song with an added counterpoint performed by David Bowie and Bing Crosby. "The Little Drummer Boy" is a Christmas song written in 1941, while the "Peace on Earth" tune and lyrics, written by Ian Fraser, Larry Grossman, and Alan Kohan, were added to the song specially for Bowie and Crosby's recording. Question: What duet performed Peace on Earth/Little Drummer Boy Answer: Crosby and Bowie
Output:
Peace on EarthLittle Drummer Boy sometimes titled The Little Drummer BoyPeace on Earth is a Christmas song with an added counterpoint performed by David Bowie and Bing Crosby.