Written by Trinidadian playwright Errol John, Moon on a Rainbow Shawl opened in England at the Royal Court Theatre in 1958 after a provincial tour. It brought to life the many stories of one family, the Adams, from Trinidad. It was a realistic piece of drama that featured real life dilemmas such as the story of Ephraim, a bus conductor who, instead of marrying his pregnant girlfriend, plans to run away to start a new life in the UK. The play was successful both in the UK and in America where it was revived in the 1970s. The play won first prize in The Observer's 1957 playwriting competition. One of the judges, Kenneth Tynan, described it as a 'hot-climate tragicomedy about backyard life in Trinidad'.