Professor Murray McLachlan om PENDULMETODEN:

Congratulations ­– piano yoga indeed! Really interesting and helpfully innovative but sensible advice.
Bravo

(Koncertpianist, leder af klaverafdelingen ved Chetham’s School of Music, Vice President for EPTA og forfatter til tre bøger om klaverspil: ‘Foundations of technique’, ‘Piano Technique in Practice’ og ‘The Psychology of Piano Technique’ distibueret og udgivet af Faber Music.)