Summary: Metallica are reportedly using Spotify data to pick setlists based on popular listening habits – but is that a good idea? Merlin, Eleanor and Luke debate the idea from both sides.<br><br>We're also discussing Behemoth, Manowar, Slash, the best festival sets ever and bands that never changed lineup.<br><br>Plus there's a BIG review of Heavy Montreal festival.<br><br>The Metal Hammer Podcast is powered by Olympus.
