Christina Aguilera sings “What a Wonderful World” at the Barack Obama Presidential Center opening. Edited for format.
Suzanne Vega releases “Luka” 39 years ago this weekend. She said she once received a fan letter about it: “Dear Suzanne, Luka is the most compelling piece of music I’ve heard in a long time. There are no words 2 tell U all the things I feel when I hear it. I thank God 4 U, Prince”