The Tri Tone Samba Whistle adds to the fun and festivity of many styles of music. A standard in today's dance music, the Tri Tone Samba Whistle has three distinct complementary tones. You achieve the three tones by placing your fingers over the side chamber holes in various combinations. Crafted of anodized aluminum and all components are precision machined to ensure consistency of sound. The patented LP Tri Tone Samba Whistle originated in Brazil.