Kadri Gopalnath spent over twenty years modifying the pads, keys, and embouchure of the standard alto saxophone to successfully produce traditional ragas.
: Gopalnath modified his alto saxophone—specifically the mouthpiece and pads—to allow for greater flexibility in pitch, enabling him to "sing" ragas with the fluidity of a human voice or a traditional nadaswaram Defining the Indian "Sonic" Identity Indan Sax Sonig