Three points. First, if you liked "Let's Get It On," Marvin Gaye's last studio album, you'll love "I Want You." Second, it will not convert the unbelievers. Third, it is the sort of album that Barry White and his grunt 'n' groan cronies would dearly love to produce, but can't…. Marvin still looks to sex for direct inspiration. If anything, he's now even more explicit. The title "I Want You" need absolutely no explanation. And much of the remaining music here is likewise straight down the middle: "Come Live With Me Angel," "Feel All My Love Inside," "Since I Had You" and "Soon I'll Be Loving You Again" say most, if not all, in their titles. The important consideration, however, is that "I Want You" is not a series of tracks but a complete, flowing, luxurious mood based on the desire of a man for a woman. Marvin...