R.B. Greaves was an American singer-songwriter known for his soul and pop style. Born in 1943, he gained recognition in the late 1960s with his hit single "Take a Letter, Maria," which showcased his distinctively smooth vocals over a catchy, upbeat arrangement. Greaves' music combined elements of traditional soul with pop sensibilities, bridging the gap between these two genres. Despite his relatively brief peak of fame, his work remains significant in the history of American pop and soul music.