ɪn dʒuːlˈaɪ tˈuː θˈaʊzənd ˈeɪtiːn bˈɑːɹnɪt ɹˌiːjuːnˈaɪɾᵻd wɪð hˈɪstɚɹi bˈɔɪz plˈeɪɹaɪt ˈælən bˈɛnɪt ænd kˈoʊstˈɑːɹ sˈætʃə dˈæwən fɔːɹ bˈɛnɪts nˈuː plˈeɪ, ˈælɪlˌuːdʒə!, æt ðə bɹˈɪdʒ θˈiəɾɚ.
In July 2018 Barnett reunited with History Boys playwright Alan Bennett and co-star Sacha Dhawan for Bennett's new play, Allelujah!, at the Bridge Theatre.