See who played at Milwaukee's Woodstock, the Midwest Rock Festival in July 1969.

   
Sweetwater, a rock band that also performed at Woodstock later that summer, takes the stage at the Midwest Rock Festival at Wisconsin State Fair Park in West Allis on July 25, 1969.

Photo Courtesy Dean Chapman

One of the posters promoting the Midwest Rock Festival, held at the State Fair Park Grandstand on July 25-27, 1969.

Courtesy Wisconsin State Fair Archives

This advertisement for tickets for the Midwest Rock Festival appeared in the July 21, 1969, Milwaukee Journal.

Journal Sentinel Files

Folk great Buffy Sainte-Marie takes the stage on the first day of the Midwest Rock Festival at Wisconsin State Fair Park in West Allis on July 25, 1969.

Courtesy Of Dean Chapman

Supergroup Blind Faith, with Eric Clapton (right), headlines the second day of the Midwest Rock Festival, July 26, 1969, at Wisconsin State Fair Park in West Allis.

Courtesy Of Dean Chapman

Eric Clapton sits for an interview for the Midwest Rock Festival, which took place at Wisconsin State Fair Park July 25-27, 1969. Clapton and his band, Blind Faith, headlined the festival's second night.

Courtesy Of Marc Dulberger

Ginger Baker (left) of Blind Faith talks with interviewer Arthur Rapkin on the track near the stage at Wisconsin State Fair Park in West Allis during the Midwest Rock Festival, held July 25-27, 1969. Blind Faith headlined the rock festival's second night.

Courtesy Of Marc Dulberger

Blind Faith bass player Ric Grech (left) talks with Arthur Rapkin for the Midwest Rock Festival. Blind Faith headlined the second night of the festival, which ran July 25-27, 1969, at Wisconsin State Fair Park in West Allis.

Courtesy Of Marc Dulberger

The First Edition with Kenny Rogers (right) performs at the Midwest Rock Festival, held July 25-27, 1969, at Wisconsin State Fair Park in West Allis.

Courtesy Of Dean Chapman

SRC performs at the Midwest Rock Festival, a three-day event at Wisconsin State Fair Park July 25-27, 1969.

Photo Courtesy Dean Chapman

The Bob Seger System performs at the Midwest Rock Festival, held at the Wisconsin State Fair Park in West Allis July 25-27, 1969.

Courtesy Of Dean Chapman

Taste, the Irish band formed by legendary rocker Rory Gallagher, plays the Midwest Rock Festival, held at Wisconsin State Fair Park in West Allis July 25-27, 1969.

Courtesy Of Dean Chapman

The Irish band Taste, including guitarist Rory Gallagher (at left among the guys on top of the couch), sit for an interview at the Midwest Rock Festival, held at Wisconsin State Fair Park July 25-27, 1969. Taste was on the bill the second night.

Courtesy Of Marc Dulberger

Johnny Winter performs at the Midwest Rock Festival at Wisconsin State Fair Park in West Allis on July 27, 1969.

Courtesy Of Marc Dulberger

Detroit rockers MC5 sit for an interview during a rainstorm at the Midwest Rock Festival at Wisconsin State Fair Park in West Allis. The MC5 were scheduled to play the last two days of the three-day festival, July 25-27, 1969, but their second performance was rained out.

Courtesy Of Marc Dulberger

Blues great John Mayall (right) talks with Arthur Rapkin backstage at the Midwest Rock Festival. The festival was held at Wisconsin State Fair Park in West Allis three weeks before Woodstock, on July 25-27, 1969.

Courtesy Of Marc Dulberger.