steelworks is the competition group of the university of sheffield a cappella and beatbox society, established by sergio filipe in 2014. the group took part in the sky one competition , hosted by cat deeley, in 2017. under kaan harwood, the group reached the quarter-finals of the iccas in 2019, their first year in the competition. in 2020, the group won their icca quarter-final, led by johanna stroud, to reach the uk finals in london. the group also boasts a barbershop quartet, low key, who were formed in 2018.