It's what's for music.

"Empa researcher Francis Schwarze's "biotech violin" dared to go head to
head in a blind test against a stradivarius [sic] - and won! A brilliant
outcome for the Empa violin, which is made of wood treated with fungus,
against the instrument made by the great master himself in 1711."

http://www.sciencedaily.com/releases...0914111418.htm