Here is a riff from a new song from Paloma Faith's called "Can't Rely on You" being produced by Pharrell
Now here is a riff from Franz Ferdinand's "Take me out"
Sound close to you? Over the weekend Franz Ferdinand frontman Alex Kapranos tweeted telling Pharrell that all he had to do was ask if he wanted to "borrow a riff". Kapranos has apologized, and said the twitterverse is to blame for stirring this up. Kapranos insists there isn't a riff between he and Pharrell.
Listening to these maybe Kapranos is a bit too forgiving