SatWember Day 2: Flowers

Austria changed a part of its National Anthem from "You are the home of great sons" to "You are the home of daughters and sons"

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.