Marvin Gaye & Tammi Terrell is an American R&B duo who created the hit Aint No Mountain High Enough (1967). The song was written by Nickolas Ashford and Valerie Simpson and reached #19 on Billboard Hot 100. The duo recorded 3 albums between 1967-1969, including United (1967) and Youre All I Need (1968). Tammi Terrell died in 1970 from a brain tumor at age 24, leading to the end of the duo. Marvin Gaye dedicated songs Tammis Song and Tammis Interlude to her. Their influence is felt in the work of Ashford & Simpson, Roberta Flack & Donny Hathaway and Peaches & Herb.