Similar to the Rico cut La Voz reeds are unfiled and feature a thinner profile and blank. The La Voz strength range offers greater flexibility and their deep powerful tone makes them a standard among jazz musicians. Rico s updated reed-making machinery and state-of-the-art process have made today s La Voz reed more consistent than ever before. D?Addario?s unwavering commitment to innovation and consistency has resulted in a new era of products for the modern clarinetist and saxophonist. Through natural farming and harvesting processes in the cane fields and digitally-controlled precision in the crafting of reeds and mouthpieces the D?Addario Woodwinds line of accessories allows players of all ages and abilities to worry less about their equipment and more about making music.