Jane’s Addiction has brought out Tom Morello to perform ‘Mountain Song’ and ‘Chip Away’ in Germany – watch their performances down below.The LA band are currently on their first UK and Europe headline tour in eight years, where they stopped off in Cologne on Tuesday (June 25).Shortly after his appearance at Download, Rage Against The Machine‘s Tom Morello surprised the audience in Cologne by going on stage with Jane’s Addiction and duetting two of their songs.He firstly came on stage to play ‘Mountain Song’, taken off their 1988 debut ‘Nothing’s Shocking’. He then make a guest appearance one final time to round off their show by performing ‘Chip Away’ – take a look at the performances below:NME caught up with the musician at Download this year, where he opened up about collaborating with his son, 13-year-old Roman.“So my new single, ‘Soldier In The Army Of Love’ is the first song from what will be my first ever solo rock album.