Question: What book written by Maria von Trapp inspired a famous musical that was performed live on ITV in 2015?
Sentence (from "The Sound of Music Live (2015)"): The special was an adaptation of Rodgers and Hammerstein's Broadway musical "The Sound of Music", starring Kara Tointon as Maria von Trapp, performed and televised live from 3 Mills Studios in London.
Relevant evidence: Yes