The recording here (mp3 audio) is by Richard Hosford, clarinet, co-principal of the BBC Symphony Orchestra; Carol Kohn, piano.

'Four contrasting movements that hang together.' Richard Hosford.           

'At last, a clarinet sonata full of passion and beautifully written for the instrument'. James Gillespie, editor of The Clarinet, journal of the International Clarinet Association.     

'Should be in every clarinetist's repertoire." John Myatt, woodwind specialist retailer.     '

'I usually begin my recitals with the Lyons Clarinet Sonata.' Clarence Padilla, Professor of Music  at Drake University and principal clarinet with the Des Moines Symphony Orchestra.