British singer Kate Nash accuses Snapchat of using her music without permission

Musician Kate Nash has accused Snapchat of using the beat for her breakout single Foundations without her permission. 
The British singer took to Twitter, Facebook and Instagram to broadcast the allegations via a video featuring herself using one of the messaging app's animated Lenses.
Music can be heard in the background and while some of her fans have pointed out that the clip is similar in style to Nash's tune, there are no lyrics to discern whether the singer's melody has actu