"All woods give slightly different tonal responses and I will often advise players which might suit them best according to their playing style. For backs and sides I choose hard, very fine textured woods such as African Blackwood, Honduras Rosewood and American Claro or Bastogne Walnut (with Brazilian Rosewood, only very old wood is now available as new wood is not permitted to be cut down).
"I like very old Spruce, Redwood and Cedar trees (which have fallen down naturally) with a slow growth pattern for very lightweight, stiff, straight-grained soundboards. When I tap the wood I look for a certain high frequency bell-like tone. I can tell from the appearance of the wood including the prominence of the medullary rays whether the tap tone is likely to be spectacular or not."