The pair appeared on the front cover of '' Jet '' magazine in March 1969 , with the magazine describing them as working " the gamut of songs from blues and soul to spirituals and folk . " They released their third album , '' All the Friendly Colours '' , again produced by Venet and with arrangements by James E. Bond , in the same year . As well as in Los Angeles , they appeared in prestigious nightclubs in Washington D.C. , New York City , Boston , San Francisco and elsewhere , and appeared on '' The Smothers Brothers Comedy Hour '' . In 1970 , they issued '' Special Circumstances '' , with Janis Ian playing on the pair 's performance of her song " He 's a Rainbow " , and they were among the performers at the Atlanta International Pop Festival in July 1970 . Capers and Carson then moved to Polydor Records , releasing '' Evolution '' in 1971 . The album sleeve showed the title as '' Revolution '' with the initial R struck through . Their final album , '' Capers and Carson '' , was issued on the Janus label in 1973
Atlanta International Pop Festival
Atlanta International Pop Festival (1970)
Hedge and Donna