Stories from the archives

The Green Bullet Harmonica Microphone

Shure Model 520 was released in 1949 as a two-way radio microphone, but the mic affectionately dubbed the “Green Bullet” soon became the go-to solution for blues harp players. With some help from legendary blues artists Sugar Blue and Nigel Mack, Shure Corporate Historian Michael Pettersen traces the enduring legacy of the Green Bullet, including its comeback from extinction.

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