You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Victoria_and_Albert_Museum

Context:
In July 1973, as part of its outreach programme to young people, the V&A became the first museum in Britain to present a rock concert. The V&A presented a combined concert/lecture by British progressive folk-rock band Gryphon, who explored the lineage of mediaeval music and instrumentation and related how those contributed to contemporary music 500 years later. This innovative approach to bringing young people to museums was a hallmark of the directorship of Roy Strong and was subsequently emulated by some other British museums.

Question:
Which musical group did the V&A present in July 1973 as part of its youth outreach programme?

Gryphon