Photograph of CEMI circles: Festival of Experimental Music and Intermedia, held at Perot Museum. A man wearing headphones holds his hand over a bowl containing rows of small cylindrical objects, his right wrist wearing a watch while his left wrist has a paper band around it. The man is seated in an office chair and smiles towards the left edge of the photo. In the background, a pale wall has the word "currents" on it in large black letters.

Photograph of CEMI circles: Festival of Experimental Music and Intermedia, held at Perot Museum. A woman wearing headphones holds her hand over a bowl containing rows of small cylindrical objects while she sits in an office chair. She wears jewelry around her neck and wrists and has a small bag laying across her lap. Next to the woman is a table of technological equipment and a person wearing a shirt with rolled-up sleeves.

Photograph of the strings booth at CEMIcircles, a festival celebrating the 50th anniversary of the University of North Texas' Center for Experimental Music and Intermedia. This photograph shows three women standing in front of an informational poster about string instruments. The woman on the left is holding a violin.

Photograph of a poster displaying information for Dan Tramte's project, "New Media Calls for New Modes of Analysis," at the Perot Museum of Nature and Science during CEMIcircles, a festival celebrating the 50th anniversary of the University of North Texas' Center for Experimental Music and Intermedia.

Photograph of a poster displaying information for Panayiotis Kokoras' project, "SENSE: Touch the sound," at the Perot Museum of Nature and Science during CEMIcircles, a festival celebrating the 50th anniversary of the University of North Texas' Center for Experimental Music and Intermedia.

Photograph of CEMI circles: Festival of Experimental Music and Intermedia, held at Perot Museum. A hand hovers over a bowl of small cylindrical objects, each one placed into rows within the bowl. The bowl rests on a stool that has been placed near a card reading "do not touch." The person holding their hand over the bowl wears a bracelet around their wrist and is dressed in a pale shirt with the visible sleeve rolled up.

Photograph of a sign displaying the lineup for Concert Two during CEMIcircles, a festival celebrating the 50th anniversary of the University of North Texas' Center for Experimental Music and Intermedia.

Photograph of a render / concept drawing of the Dallas Memorial Auditorium.

Photograph of an aerial view of Kiest Park celebrating American Independence Day. Cars are parked throughout Kiest Park along the street lined with trees surrounding the oval shaped field featuring eight (8) baseball fields. A carnival has been set up in a parking lot with rides next to a flower garden.

Black and white photograph of two unknown African American women participating in a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The women are standing in a line outside the cafeteria looking towards the viewer's left. The date "Jun 4 1964" is stamped in red ink on the back of the photograph. This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photograph of a crowd of people participating in a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. An unknown African American woman is in the center of the frame, facing the viewer. The doors to the cafeteria are visible behind her, being blocked by a white employee of the cafeteria. Several other white men are behind and next to the African American woman, and part of an African American man is visible at the left edge of the frame in the background. The date "Jun 4 1964" is stamped in red ink on the back of the photograph. This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photographic print of an unknown white man at a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The image shows a white man wearing sunglasses and looking towards the viewer's right. Stamped in red ink on back of photo is the date "Jun 5 1964". This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photographic print of two unknown men at a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The image shows a young African American man wearing a plaid jacket, looking down and a young white man looking towards the viewer's left. Stamped in red ink on back of photo is the date "Jun 4 1964". This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photographic print of several unknown individuals at a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The image shows a white man in horn rimmed glasses and a young African American boy standing in front of a handwritten Piccadilly cafeteria menu posted on a window advertising "meatballs and spaghetti" dated June 4th, 1964. This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photographic print of several unknown individuals at a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The image shows a white woman in sunglasses. Stamped in red ink on back of photo is the date "Jun 4 1964". This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photographic print of several unknown individuals at a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The image shows two white women in sunglasses with a white man in the background. Stamped in red ink on back of photo is the date "Jun 4 1964". This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photographic print of two unknown white men and a small child at a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The image shows the men standing in a line outside the cafeteria. The man on the left is holding a small child while looking directly at the viewer. Another man on the right is looking towards the viewer's left. There is a sign posted in the window of the cafeteria behind them that identifies the day’s special as "Meatballs and spaghetti." Stamped in red ink on back of photo is the date "Jun 4 1964". This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photographic print of an unknown white woman at a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The image shows an unknown white woman wearing sunglasses, looking directly at the viewer. She is standing outside the cafeteria. Another white woman is visible in the foreground of the image, partially blocking the image of the woman wearing the sunglasses. Stamped in red ink on back of photo is the date "Jun 4 1964". This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photographic print of two unknown white men and a small child at a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The image shows the men standing in a line outside the cafeteria. The man on the left is holding a small child while looking directly at the viewer. Another man on the right is looking towards the viewer's left. There is a sign posted in the window of the cafeteria behind them that identifies the day’s special as "Meatballs and spaghetti." Stamped in red ink on back of photo is the date "Jun 4 1964". This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photograph of an unknown white man participating in a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The man is wearing a collared short and is looking towards the viewer's left. The date "Jun 4 1964" is stamped in red ink on the back of the photograph. This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photographic print of two unknown white people at a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The image shows a white woman wearing a plaid top and glasses and a white man wearing a striped shirt and glasses standing outside the cafeteria speaking to an African American man. The African American man is only visible from the back, but based on other images in this collection, he is possibly identified as Egbert Theodore Adams. Stamped in red ink on back of photo is the date "Jun 4 1964". This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photograph of an unknown African American woman participating in a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The woman is wearing sunglasses and is standing in a line outside the cafeteria looking towards the viewer's right. A white woman wearing a headscarf is visible directly behind her, looking towards the camera. The date "Jun 4 1964" is stamped in red ink on the back of the photograph. This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photographic print of an unknown white man at a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The image shows the man wearing a plaid jacket and sunglasses. The African American man standing behind him and to the right, has been identified as Reverend Earl Allen, a local leader with the Congress of Racial Equality (CORE). They, and other protestors, are standing outside the cafeteria. Traffic and passersby can be seen in the background. Stamped in red ink on back of photo is the date "Jun 4 1964". This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.

Black and white photograph of a crowd of people participating in a June 1964 civil rights protest at the Piccadilly Cafeteria on Commerce Street in downtown Dallas. The door to the cafeteria is visible in the center of the image, being blocked by a white employee of the cafeteria who is looking directly at the camera. The door is standing partially open as a white man, who is partially turned towards the camera, is allowed in. The backs of two African American protestors and one white man in a hat can be seen standing in front of the cafeteria employee, evidently being denied entrance. The African American man on the right is likely Reverend Earl Allen, a local leader with the Congress of Racial Equality (CORE). The date "Jun 4 1964" is stamped in red ink on the back of the photograph. This is one of many surveillance photos taken by the Dallas County Sheriff's Department during the month-long civil rights protest at the Piccadilly Cafeteria in Dallas, Texas, in 1964.