Allen has specialized in the too-little heard and somewhat neglected repertoire of Haydn's varied and poetic sonatas.  He released a superb CD in 1994 of 12 Haydn Sonatas and one set of variations, available on iTunes.  His meticulously nuanced finger work alludes with remarkable effectiveness to the fortepiano for which they were written.....

Allen's Liszt, typically flamboyant and full-sounding, began with a startlingly original effectiveness...

Chronicle Herald, Halifax,  NS