This Is Tom Jones

From Muppet Wiki

"This is Tom Jones" was a weekly television variety show hosted by Tom Jones that ran for three seasons from 1969 to 1971. In addition, following the season finale in January 1971, eight special episodes of "This is Tom Jones" aired.

The July 8, 1971 special featured guest appearances by the Muppets, including Mahna Mahna and the Snowths, who performed "Mahna Mahna."

Kermit the Frog and Rowlf the Dog also appeared, performing "(They Long to Be) Close to You" with Connie Stevens. (Kermit and Fozzie Bear would later sing the same song with Stevens on episode 102 of The Muppet Show).

Kermit, Rowlf, Connie and Tom also sang "I Know a Place" and "Keep the Customer Satisfied."