Guardian: What might we mourn from 50 million songs deleted from Myspace?

Bob Dylan’s first acting role, in a 1963 television play called 'Madhouse on Castle Street', is gone. Early Beatles performances on Top of the Pops too. Most of the BBC’s Apollo 11 moon landing coverage is gone - Guardian is questioning what emo band might we mourn after MySpace lost everything uploaded between 2003 and 2015.