So, we use the piano's notes as concert pitch. Flutes, oboes, bassoons, trombones, tubas, baritones reading bass clef and all string instruments are concert pitch instruments: when they play a C it sounds like a C on the piano. They don't have to transpose.
Jacob Anderson. Jacob Basil Anderson (born 18 June 1990) is an English actor, singer, and songwriter. As an actor, he is best known for his role as Grey Worm in the television series Game of Thrones, and his recurring appearances in the first seasons of Episodes and Broadchurch. As a musician, he uses the alias Raleigh Ritchie; his debut album, You're a Man Now, Boy, was released in 2016 to very positive reviews.
Thomas Edward  Tom  Hopper (born 28 January 1985) is an English actor who has appeared in several television programmes and films including Merlin, Doctor Who, Casualty and Tormented. He is best known for playing Sir Percival in the BBC series Merlin. His current screen role is in the Neil Marshall drama series Black Sails. Set twenty years prior to Robert Louis Stevenson's classic Treasure Island, Tom plays the role of Billy Bones.