Smooth Grooves: Essential Collection gathers the creme de la creme of the Smooth Grooves series, boiling it down to 20 classic, romantic soul hits like the Spinners' "Could It Be I'm Falling in Love" and Al Green's "Let's Stay Together." Marvin Gaye's "Let's Get It On," Kool & the Gang's "Cherish," the Chi-Lites' "Oh Girl," and Billy Paul's "Me and Mrs. Jones" are some of the other highlights of the album, which also includes tracks by Peaches & Herb, Lou Rawls, Gladys Knight & the Pips, Barry White, and the Delfonics. Though it's nearly impossible to limit an essential soul collection to just a single disc, Smooth Grooves: Ultimate Collection comes close to living up to its name.