What book written by Maria von Trapp inspired a famous musical that was performed live on ITV in 2015?
The Sound of Music Live (2015): The Sound of Music Live is a television special that was originally broadcast by ITV on 20 December 2015. 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. Maria von Trapp:  She wrote "The Story of the Trapp Family Singers" which was published in 1949.
The Story of the Trapp Family Singers