 The song has been covered by various artists, including Straitjacket, Local H, Intruder, Bruce Foxton, The Moog Cookbook, Earth, Wind & Fire, Paul Gilbert, Pacifika, Mötley Crüe lead singer Vince Neil, Umphrey's McGee, Nick Ingman, and as an instrumental on the Dave Koz collaboration album Summer Horns.Constantine Maroulis released his version of the song as a single in 2011.In 2005, Jonathan Coulton made "When I'm 25 or 64", a mashup of "25 or 6 to 4" with "When I'm Sixty-Four" by The Beatles.