 That was David Ruffin doing his solo album, title track from the CD, David Ruffin, his namesake. And, of course, we heard Billy Stewart's Summertime from the CD One More Time, D.C. hometown talent, the late, great Billy Stewart. Sly and the Family Stone, Hot Fun in the Summertime. That was from Sly and the Family Stone, greatest hits, after we talked about what is your favorite or least favorite thing about Summertime.