'Are You Lonesome Tonight?' marks a startling change of direction: it is a slow-moving ballad, gentle, caring, beautifully sung, with the kind of voice Presley had already shown on 'Silent Night' - natural, unforced, dead in tune, and totally distinctive. This classic song is enhanced by the extended 'talking' section in the middle - a difficult procedure to bring off, but here, surrounded by echo, it succeeds.|
Robert Matthew-Walker, Elvis Presley: A Study in Music, 1979
...Elvis, of course, made it a sentimental smash after his discharge from the Army and it became a solid staple in his repertoire ever since. It had a talk-sing passage in the middle that melted millions of female hearts.
The Complete Elvis, edited by Martin Torgoff, 1982
This is a tender, perhaps even sugary ballad, to be sure, but it is also full of soul and intense and intimate power. Presley holds back, delivering the vocal in a restrained, almost whispered falsetto, only allowing a glimpse at the power of his voice on the first halves of such lines as "shall I come back again?" before reigning himself back in...
read more on AllMusic Guide's page on "Are You Lonesome Tonight"
Check out other Elvis fans' opinions on the Elvis News page for Are You Lonesome Tonight
Interesting review here at this Freaky Trigger posting.