The Language of the Blues: JAM

To jam is to improvise with other musicians. Linguist David Dalby traced jam to a Wolof word... check out where your favorite musician get-together came from!

This is the latest installment of our weekly series, The Language of the Blues, in which author/rocker Debra Devi explores the meaning of a word or phrase found in the blues. Grab a signed copy of Devi’s award-winning blues glossary The Language of the Blues: From Alcorub to ZuZu (Foreword by Dr. John) at Also available on Amazon Kindle.  
urlTo jam is to improvise with other musicians. Linguist David Dalby traced jam to the Wolof word jaam for slave. As early as the 1700s, when slaves gathered together for their own entertainment, they called the get-together a jama.

Fierce jam sessions and cutting contests inspire blues, rock, and jazz musicians to stretch beyond their limitations. As composer/multi-instrumentalist Elliott Sharp puts it, “Improvisation is the immediate and spontaneous manifestation of visceral musical intelligence.”

The musician with the most jamming stamina ever may have been jazz saxophonist John Coltrane, who would jam all night and keep going while he signed autographs, while he was in the dressing room, and even while he was in the club’s bathroom.

The first blues musician to tap into Coltrane’s concept of extended improvisational soloing was Michael Bloomfield, the Chicago guitarist who played with the original Paul Butterfield Blues Band. “Man,” Bloomfield said to a close friend, journalist Andrew M. Robble, “Coltrane just blew my fucking mind.”

The Butterfield Blues Band’s 1966 recording of “East-West” by Nick Gravenites lasted twelve minutes and was the first lengthy improvisation recorded by a non-jazz ensemble. Live, the group would sometimes extend the piece up to forty-five minutes.

“‘East West’ is all Coltrane-Indian Ragafeel-acid experience awakening and the blues- the real thing, no shuckin’ here,” Bloomfield told Robble. That recording had a profound effect on the San Francisco psychedelic scene and the British electric blues scene that spawned such talented white blues guitarists as John Mayall and Eric Clapton.

Pick up a copy of  Language of the Blues

The Butterfield Blues Band – “East West”


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