There are musical goings-on at Ghastly-Gorm Hall and a spooky mystery for Ada Goth to solve in Goth Girl and the Sinister Symphony, the fourth book in the Costa Children`s Book Award winning Goth Girl series by Chris Riddell, Children`s Laureate 2015-2017.Lord Goth is throwing a music festival at Ghastly-Gorm Hall, with performances from the finest composers in the land. Ada can`t wait, but it`s quite distracting when her grandmother is trying to find her father a fashionable new wife, there`s a faun living in her wardrobe and Maltravers is up to his old tricks. Ada must make sure everything goes to plan, and luckily help is at hand from a very interesting house guest . . .