Not quite the case with either Elvis or Elton......
No doubt there's often a correlation between musical and mathematical talent, at least when it comes to Western music and it's unique interplay of harmony and counterpoint. However, the mathematics of string theory is equally unlikely to suddenly surface in the medieval Germany of Bach as is Roger Penrose's mathematics in 15th century Iran. The title of the original article, "Mediaeval Muslims made stunning math breakthrough", is just the kind of fluff which underlies the bigotry of low expectations one expects from contemporary 'liberals'.