Question: What English composer had works premiered at Morley College and has no contemporary portrait?
Sentence (from "Morley College Choir"): The choir was led for many years by Michael Tippett, who conducted the ensemble for the first-ever recording of Thomas Tallis' Spem in Alium, and premiered a number of Tippett's works, including A Child of Our Time in March 1944.
Relevant evidence: Yes