Standing in front of a crowd to sing a song is not always the most comfortable experience for any musician. It’s one thing to be working away at songs in your bedroom or rehearsal space, but if it’s something that’s coming from your soul, most people would rather jump off a bridge than have to face an army of people waiting to be wowed. David Gilmour was never really focusing on becoming the biggest frontman in the world, but the first time he actually settled into the role nicely came when playing on ‘Fat Old Sun’ from Atom Heart Mother.