Hans Reichel's daxophone is a block of wood that changes the vibration frequency of a wooden blade inside another block with contact microphones. Above, the daxo tongues. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Steve Turre introduced the conch shells to jazz in 1981. David Redfern/Referns/Getty Images hide caption

itoggle caption David Redfern/Referns/Getty Images