Australian Rock is a genre of music that originated in Australia in the 1960s. The most influential artist of this genre is undoubtedly the singer-songwriter, guitarist and producer, Roky Erickson. One of the most successful and well-known Australian Rock bands is AC/DC, who have sold over 200 million albums worldwide. Another prominent figure in the genre is singer-songwriter and multi-instrumentalist, Rob Ayers, who has released several solo albums and collaborated with many other artists.