"From the off, there's a palpable sense of concentration, which is an absolutely key aspect of this piece, and he finds a palette of many colours within the subdued dynamics of the first Regard ... He is also a secure guide in the way he elucidates the main themes out of which Messiaen forms his Vingt Regards ... But as well as his intellectual grasp of the piece, Helmchen is also alive to its sensuality"