Best of friends? Part 2

Written by Icelandic composer Jón Leifs in 1964, the piece called Hekla, Op 52, requires four sets of rocks hit with hammers, steel plates, anvils, sirens, cannons and metal chains to play.

Reykjavík's last mayor was an anarchist standup comedian. He had a particular fondness for meeting dignitaries dressed as Star Wars characters.