Part I of the first hour of Music USA for broadcast on Christmas Day in 1957.

The entire program for the jazz hour (second hour) of Music USA, aired on November 23, 1956. This program features Hungarian jazz musicians who sent a recording to Conover shortly before the Hungarian Uprising of 1956; this hour was apparently was quickly assembled to replace the original program #695-B which had been recorded in October, but set aside for this replacement. The musicians remain unnamed, presumably for their safety, as Conover notes that it is unknown whether the musicians in the recording were still alive. Gerry Mulligan, Tony Scott, Quincy Jones, J.J. Johnson, and Billy Taylor comment on the musical selections.

An interview with Woody Herman, Bobby Hackett, and Louis Armstrong, conducted in late June of 1955, in connection with the performance of Louis Armstrong and His All Stars at the Carter Barron Amphitheater, Washington, D.C.

The first part of Willis Conover's extended interview with W.C. Handy. This recording is the raw audio, and includes a glitch in the tape in the opening seconds, and other preliminaries before the interview begins.

Willis Conover interviews Art Tatum, with selected Tatum recordings. Playlists and schedules within the Conover collection confirm the program was assembled in May, but Tatum's performances in Washington, D.C. in early April provide an approximate interview date.

The entire program for the jazz hour (second hour) of Music USA, including tune selections and an interview with Kai Winding. This is the first interview conducted for Music USA.

Audio recording of Donald E. Chipman interviewing with Lamar Hunt. Hunt was the principal founder of the American Football League (AFL) and Major League Soccer (MLS). He was also the founder and owner of the Kansas City Chiefs (formerly known as Dallas Texans). Hunt passed away on December 13, 2006.

Interview with Nat "King" Cole by a Voice of America interviewer identified as Walter. The mention of Cole's NBC television show narrows the possible date range to 1956 or 1957.

Willis Conover interviews entertainer Danny Kaye, who was serving as an ambassador-at-large for the United Nations Children's Emergency Fund (UNICEF).

The entire program for the jazz hour (second hour) of Music USA, featuring the music of Duke Ellington, with selections from the 1956 Newport Jazz Festival, including the entirety of "Diminuendo and Crescendo in Blue." This program was broadcast on February 6, 1957.

Part of the jazz hour (second hour) of Music USA, including tune selections and an interview with Milt Gabler. "Laura," the last selection in this part, was not included in the final broadcast.

The first part of the jazz hour (second hour) of Music USA, including tune selections and an interview with Bob Thiele. The interview with Steve Allen occurs in Part II.

This episode of News Close-Up offers "a preview of July, 1960," in a program about U.S. politics and the upcoming presidential election.

The entire program for the jazz hour (second hour) of Music USA, broadcast July 22, 1959. This episode was the third of a series following Conover's trip to Poland earlier that year, and featured the second part of the first concert at the Warsaw Philharmonic Hall during Conover's visit.

The entire program for the jazz hour (second hour) of Music USA, including tune selections and an interview with Bob Shad, director of artists and repertoire (A&R) at Mercury Records, broadcast March 7, 1956.

The interview which accompanied Music USA #551-B, broadcast July 2, 1956, featuring Marshall Brown, John LaPorta, and four Farmingdale (New York) High School students.

One of two reels of music from Trinidad found in Willis Conover's collection. The artists and recording date have not been determined.

The entire program for the jazz hour (second hour) of Music USA, broadcast July 23, 1959. This episode was the fourth of a series following Conover's trip to Poland earlier that year, and featured the first part of the second concert at the Warsaw Philharmonic Hall during Conover's visit.

The entire program for the jazz hour (second hour) of Music USA, broadcast July 20, 1959. This episode was the first of a series following Conover's highly successful trip to Poland earlier that year, and includes an interview with Roman Waschko, president of the Polish Jazz Federation.

The entire program for the jazz hour (second hour) of Music USA, broadcast July 28, 1959. This episode was the fifth and final part of a series following Conover's trip to Poland earlier that year, and featured the second part of the second concert at the Warsaw Philharmonic Hall during Conover's visit.

An unedited program, without theme music or a program number, but likely intended for the first hour of Music USA, including an interview with Andy Wiswell, director of artists and repertoire (A&R) at Capitol Records.

The entire program for the jazz hour (second hour) of Music USA, broadcast July 21, 1959. This episode was the second of a series following Conover's highly successful trip to Poland earlier that year, and featured the first part of the first concert at the Warsaw Philharmonic Hall during Conover's visit.

A live recording of mambo selections. The title "Groggy's Mambo" appears to refer to Maurice "Groggy" Gervitsch, the proprietor of the Cairo Hotel in Washington, D.C., where Gervitsch organized mambo dances in 1954. The group may have been led by Buddy Rowell.

A broadcast of Music USA transmitted by station WLWO in Cincinnati, Ohio, and recorded off of shortwave radio in Lagos, Nigeria. It was sent to the Voice of America to document the quality of radio reception in that area. As a live broadcast, the recording also includes news breaks and station identification.