"When Rovio approached me about actually playing my own take on the 'Angry Birds' theme, it went back and forth a few times between the actual 'Angry Birds' theme note-for-note ... and then they asked for something a little bit different," he said, adding that he worked on the tracks while on tour. "I did a few different versions. It was a lot of fun to do."
Watch Slash talk about his love for "Angry Birds" here:
It's hard to imagine a rock legend like Slash developing a love for "Angry Birds" - but then, it's pretty addictive. What do you think of his on-going relationship with Rovio? Let us know in the comments.