Who are Bob Vylan – the duo who led anti-IDF chant at Glastonbury?

<a href='https://news.sky.com/story/who-are-bob-vylan-the-rap-band-who-very-much-crossed-the-line-at-glastonbury-with-anti-idf-chant-13390138'>Who are Bob Vylan – the duo who led anti-IDF chant at Glastonbury?</a>