Before he retired, John recognised only two flowers, the tulip and the rose, and two pieces of music, the 1812 Overture and Poor Little Buttercup.
Bago siya nagretiro, John kinikilala lamang ng dalawang bulaklak, ang tulipan at ng rose, at ng dalawang piraso ng musika, ang 1812 at Overture Mahina Little Buttercup.