Most, though not all, of this music can be found elsewhere on iTunes or on other legitimate releases. What makes this release unusual is that way that it captures a slice of the blues revival before it got "heavy" in 1967 and beyond, and the fact that it does it in a transatlantic way. Lots of collections feature the Clapton Powerhouse material, but very few put it in a context of what American bands were doing, or include the Lovin' Spoonful in the movement. As an album this may not be essential stuff—the chances are good that if you like this kind of music, you already own a lot of what is here—but the tracks you don't have (whichever they might be) are worth checking out. One track is mis-credited. "Can't Keep from Crying Sometimes" is The Blues Project (Al Kooper's band), not Butterfield.

All these guys are great but my favorite track has always been Al Kooper performing I Can't Keep From Cryin Sometimes. I think this is even pre-Blues Project. But unless something has changed over the decades, this fine piece of piano playing has nothing to do with Paul Butterfield.

Every band on this album is at their best, especially bloomfield, butterfield, and clapton. This has some of the best buttefield recordings I have ever heard, also the bluesier side of the lovin spoonful, some of the rawest clapton you'll ever hear, and not to mention some early tom rush. If you're looking for a lost british blues classic then look no further, a must purchase!!!!

The Paul Butterfield Blues Band only had two studio albums featuring the great guitarist Michael Bloomfield, excluding What's Shakin' . What's Shakin' is a great album for Bloomfield fans, for it's just another amazing showcase featuring him with Paul Butterfield...A definite recommendation!

This CD took me back to the days when I was really starting to define my musical tastes. My friends didn't understand my interest in bands like The Lovin' Spoonful, Paul Butterfield, and Tom Rush. They were into the light, "bubble gum" stuff. But now we know which music has survived the test of time. It was the Spoonful song "Night Owl Blues", and Creams' "Born Under A Bad Sign" that ignited my lifelong interest in the Blues. This release is made up of excellent examples of music that inspired and influenced future artists. "Crossroads" is a great tribute to Robert Johnson. Who as any true Clapton fan knows was his greatest influence. The Paul Butterfield Blues Band was, and still is, one of the greatest British blues bands ever to perform. Their contributions to this collection exemplify their many blues influences. Notice the use of lead guitar and harmonica on "Good Morning Little School Girl". The excellent guitar riffs are used to drive the rythym, and then used to mirror the harmonica. Much the same as John Lee Hooker used his guitar to mirror his vocals. The Lovin' Spoonfuls' contributions are classic Spoonful with their combination blues, country, jug band, and rock influences. This CD is a must have for true fans of true 60's music.

I am so glad to see this album resurface. Rare cuts of Clapton, Butterfield, Bloomfield, Kooper, and Winwood. "Steppin Out" shows early Clapton at his best. And check out Winwood singing Crossroads with Clapton on guitar and Jack Bruce on bass. Butterfield is terrific as well. One More Mile is one of his best blues songs on record. This album is must for any serious 60's blues-revival enthusiast. Enjoy.

With the exception of the Spoonful, all the other bands really shine. The Powerhouse actually features the incredible pre-Cream line-up of Clapton on guitar, Jack Bruce on bass, and Steve Winwood on vocals and keyboards. And the pre-Cream versions of Crossroads and Stepping Out are real gems. Butterfield selections here are at least as good as anything done on their own albums - they really burn it up. One mistake must be corrected - Can't Keep from Crying is actually Al Kooper, not Butterfield. And this version matches his other versions that show up on other albums with other bands. Great performances and a look at what was to become an explosive new phase of rock and blues.