DMC made a cameo appearance during a parody of Run DMC's "Christmas in Hollis." During the sketch he was portrayed by musical guest Chance the Rapper. On February 17, 2016, heavy metal band Solus Deus released their EP titled The Plague. The song titled "Anacrime" features DMC on guest vocals. Starting in 2017 and continuing on an ongoing basis, DMC has joined the rock cover supergroup Royal Machines as a guest at their occasional concerts. Joining a revolving cast of celebrities in each lineup, including Dave Navarro, Billy Morrison, Sebastian Bach, Macy Gray, Fred Durst, DMC has performed covers of songs such as "Walk This Way", "Sweet Emotion", and "Black Betty" with the band. On September 15, 2017, Italian rapper Caparezza released his studio album titled Prisoner 709. The song titled "Forever Jung" features DMC on guest vocals. On June 18, 2018, American rapper DeLiverance released his single titled "Slave To The Rhythm" features DMC on guest vocals. On August 13, 2018, DMC performed an encore with O.A.R., playing "Walk This Way". In February 2021, McDaniels released a song and animated video called "Let's All Get the Vaccine," to encourage the COVID-19 vaccination. In January 2022, McDaniels released his picture book, Darryl's Dream, published by Random House. Charity work The Felix Organization In 2006, McDaniels and Sheila Jaffe, a fellow adoptee and Emmy award-winning casting director, co-founded The Felix Organization. Since its inception, The Felix Organization has served more than 10,000 children in the foster care system. Its flagship program, Camp Felix, is an annual sleepaway summer camp in Putnam Valley, New York. Additionally, The Felix Organization sponsors two teen camps on the East Coast. Camp Felix West is for Los Angeles-based youth in foster care. Other charity work In September 2006, McDaniels received the Congressional Angels in Adoption award for his work with children in foster care and promotion of adoption. He sits on the Board of Directors of Children's Rights, a national watchdog organization that reforms failing child welfare systems. Personal life McDaniels has been a resident of Wayne, New Jersey. He has been very frank about his battles with depression, including an appearance on Live From the Barrage, speaking at length about it. He also has written pieces in Men's Health and BlackDoctor, where he talked about his memoir, Ten Ways Not to Commit Suicide (Amistad, 2017). Discography With Run-D.M.C. Run-D.M.C. (1984) King of Rock (1985) Raising