JT will join Elton John and Sting at the annual Rainforest Benefit at New York's Carnegie Hall on Saturday, April 13. They'll be joined by Jeff Beck, Han-Na Chang, Rebekah Del Rio, Wynonna Judd, Carole King, Patti LaBelle, Lulu, Smokey Robinson, Anoushka Shankar, Ravi Shankar and Dr. Nina Simone.