Dig this intense performance of ZZ Top's "Blue Jeans Blues" by Portuguese trio Budda Power Blues. For the tremolo effect, Budda is playing through an EHX
Stereo Pulsar, he reports: "I normaly use the first knob at 1 or 2 o'clock, the shape of the wave at about 10 o'clock, and I use different settings for the speed. I tend to prefer the triangular wave shape."
To further set the mood, here's a picture of ZZ Top's Billy Gibbons with EHX's Suzi Matthews (several of you previously spotted Suzi in this video tour of the EHX mothership):
