Fig. (3) Pictures taken by the end of the experiment of protocorms that did not produce any shoot. (A) White and brown protocorms of G. hybrid that were exposed to instrumental music for 6 months and did not show any sign of shoot formation. (B, C) Brown protocorms of G. stapeliiflorum that were exposed to Hip Hop and Yassin music for 6 months, with no shoots being observed. (D) White protocorms of G. stapeliiflorum that were untreated (control group), with no shoots being observed.