Sue and Tom debate one of classical music's most divisive issues: why does opera turn off so many music lovers? They also revisit why so many listeners find contemporary music 'challenging', and ponder whether classical music is too obsessed with sounding 'progressive'.

If you could ask BBC Radio 3 one question about music, what would it be? Sue Perkins and Tom Service are here to unravel everything you've ever wondered about music - but were too afraid to ask... Send YOUR questions to r3qt@bbc.co.uk, tweet with the hashtag #r3qt or post them on Radio 3's Facebook page at www.facebook.com/bbcradio3.