Simplify the following text for a Grade 4 native English-speaking person.
Original: Other songs associated with Baez include `` Farewell , Angelina '' , `` Love Is Just a Four-Letter Word '' , `` Joe Hill '' , `` Sweet Sir Galahad '' and `` We Shall Overcome '' .
Simplified: She is also known for `` Sweet Sir Galahad '' and `` Joe Hill . ''