In Unitate, formerly the Pembroke Choral Society was formed in 1976. In 2016 InU as it is known now, proudly celebrated its 40th anniversary.
Rehearsals are held on Sunday nights in the Old Scholars' War Memorial Pavilion (Haslam Oval) from 7 pm until 9 pm. InU are mixed voice choir with repertoire covering a broad stylistic range, with a focus on a-capella versions of jazz, doo-wop and ‘pop classics’. Rehearsals are unaccompanied.