The Yellow Balloon was an American sunshine pop band, formed in Los Angeles in 1967 by songwriter and producer Gary Zekley. The group is notable for featuring Don Grady (sometimes billed as "Luke R. Yoo") of The Mickey Mouse Club and My Three Sons fame. Other band members hailed from Oregon and Arizona. They were led by Alex Valdez (lead singer), and included Frosty Green (keyboards), Don Braucht (bass guitar), and Paul Canella (lead guitar). The band at one time also included Daryl Dragon, later the male half of Captain & Tennille.