Photograph of a large crowd of people, likely at a Lab Band concert, and possibly at Universidad del Sudeste (now the Universidad Autónoma de Campeche), in Campeche, Yucatan, Mexico. A large crowd of mostly young men is seen outdoors, many standing on a bleacher or riser-like area, with a large stone sculpture, at the right. Other people are seated in foreground and to left and lower right. Most of the men are in what may be school uniforms. A few women can be seen at lower left and lower right. One man in a suit seems to be walking around in front of the crowd, addressing them.

Photograph of members of the band and others at a venue, tentatively identified as Campeche, Yucatan, Mexico. Several band members are seated in the right part of photo, holding instruments. Two men are standing in front of the band; one appears to be speaking into a microphone which is draped with a banner for radio station RCN, Campeche and the other man, facing the band, is tentatively identified as Leon Breeden. Several unidentified men are visible in the left side of the image.

Photograph of the Mexican landscape, viewed through a bus window. Mountains and hills in background, sparse plants in foreground.

Photograph of El Castillo, a step-pyramid in the center of the Chichen Itza archaeological site located in the Mexican state of Yucatán. Several people can be seen walking up the steps of El Castillo and resting at the top. A small sign with "Castillo" is visible in the lower right of the image.

Photograph of members of the band and others at a venue, tentatively identified as Campeche, Yucatan, Mexico. Several band members can be seen in the background with instruments, and two men can be seen standing at front. One appears to be speaking into a microphone which is draped with a banner for radio station RCN, Campeche. The other man, in glasses, is tentatively identified as Leon Breeden.

Double-exposure photograph of members of the band performing onstage. The layered exposures show one man playing a saxophone, superimposed over another playing a slide trombone.

Photograph of a game of dominoes played during the trip, using an equipment crate as a table. The crate is clearly marked NTSU, and American Embassy.

Photograph of a performance in Mexico. In foreground can be seen a man playing a slide trombone, and a man in a plaid jacket conducting, tentatively identified as Leon Breeden. A few other members of the band can are partly visible in the background.

Photograph of an urban area, taken from a hill or a tall building, during the tour. Many buildings can be seen in foreground, and in the background are hills and mountains.

Photograph of a performance in Mexico. The band can be seen onstage, dressed in dark suits, with one standing out front giving a trumpet solo. To right onstage is man in plaid coat, tentatively identified as Leon Breeden.

Photograph of a performance during the tour. Onstage is Carol Lurie singing. Other members of the band can be seen in the background.

Photograph of the ground from the window of the plane. The view, which includes part of the window and a tip of the wing, is looking down on mountainous terrain, with a small concentration of buildings near lower center.

Photograph of a presentation at a performance during the tour. Members of the band can be seen at an outdoor venue, seated at their music stands holding instruments while an older man stands at a microphone speaking and holding what appears to be a record. Behind him stand two other men, the one at back tentatively identified as Leon Breeden. Based on banner on microphone, this may be at Puebla, Mexico. Above can be seen an audience standing at the railings of the balcony of an upper floor. This is one of a series of photographs taken during the One O’Clock Lab Band’s tour to Mexico, January 26 to February 21, 1967. The United States Department of State sponsored the tour, and the band traveled as representatives of the United States. Directed by Leon Breeden, the 20 member band and their guests vocalist Carol Lurie and pianist-organist Linda De Leon, toured for 26 days, giving 19 scheduled concerts and two impromptu shows at venues throughout Mexico.

Photograph of part of a fortress, tentatively identified as Fuerte San Miguel in Campeche, Yucatan, Mexico. part of the ramparts, dry moat, and crenelations can be seen.

Photograph of members of the band at a performance venue. Visible is one man seated at a piano, and one seated behind a music stand.

Photograph of a performance in Mexico. Several members of the band can be seen onstage, dressed in dark suits. Some members are seated, while the flute player stands at front to play.

Photograph of three people outdoors, possibly waiting at a small rural airstrip. A young man and woman walk by, another man sits on a chain strung as a fence. Luggage can be seen on a cart in the background.

Photograph of the preparations for a performance during the tour. Several members of the band can be seen seated onstage, viewed from behind, looking into the auditorium.

Photograph of a performance in Mexico. The band can be seen playing, dressed in dark suits.

Photograph of an event during the Mexico tour.. Two guitar players in dark suits stand among many other people in what may be a large room.

Photograph of a performance in Mexico. Some of the members of the band can be seated onstage, wearing dark suits, while at back stands a trumpet player, playing.

Photograph of a performance during the tour. The band can be seen standing on a raised outdoor stage, playing. Before the stage can be seen part of a crowd. Leon Breeden can be seen onstage, facing the band.

Photograph of a performance during the tour. Two members of the band are onstage, one playing a saxophone, one playing a clarinet.

Photograph of a member of the group at the Braniff Airlines counter at Love Field.