In 1987, having been fascinated by oriental cultures and having studied, in particular, Nepalese, Indonesian and Hindi cultures, he met with ethnomusicologist Alain Daniélou whose works he had been studying for over fifteen years.
The musician, the stringed-instrument maker and the musicologist are three additional aspects of the personality of Pierre-Jean Croset, whose work on the harmonics parallels studies by David Hykes in the U.S.A, Roberto Laneri in Italy, Michael Vetter in Germany and Tran Quang Hai in Vietnam.