 In 2011, he collaborated with Seu Jorge on a track titled "Tropicália (Mario C. 2011 Remix)" for the Red Hot Organization's most recent charitable album Red Hot + Rio 2. The album is a follow-up to the 1996 Red Hot + Rio. Proceeds from the sales will be donated to raise awareness and money to fight AIDS / HIV and related health and social issues. He also contributed on the song "Attracted to Us" on Turtleneck & Chain, the second album from The Lonely Island.
