THE LOVE YOU MAKE
by Peter Brown and Steven Gaines
McGraw-Hill; 448 pages; $14.95
It was never all you need, high sentimentality and ravishing melodies to the contrary, and what you take often exceeds what you make. Love, nevertheless, had never been advanced as a social curative with such blithe musical seriousness until the Beatles' stoned rhapsodies of good will. The songs, composed with manifest, even urgent sincerity, and lanced with fugitive wit, not only caught the fantasies of a generation but got them airborne. Now there is no telling for certain which ended...