VOA慢速英语:Remembering His Friends, Springsteen Writes ‘Letter to You’

guitar – n. a stringed musical instrument, with a fretted fingerboard, played by plucking the strings

key – n. the most important aspect

joy – n. happiness

cathartic – adj. something that cleanses the heart, mind and body

scene – n. part of a movie that is in one place with the same characters