Below is a list of instruments currently in the collection. Unless otherwise noted, all are promised gifts of Ken Cancelosi, in memory of Robert Cancelosi.
 

Violins

• Violin by Carl F. Becker, Chicago, Illinois, 1953.

• Violin by Carl F. Becker, Chicago, Illinois, 1975.

• Violin by Herman Macklett, Chicago, Illinois, 1881. Gift of Ken Cancelosi, in memory of Robert Cancelosi, 2025. NMM 16052

• Violin by Masakichi Suzuki and Suzuki Violin Company, Nagoya, Japan, 1888-1910.

• Violin by William H. Moennig, Jr., Philadelphia, Pennsylvania, 1945. Purchase funds gift of Ken Cancelosi, in memory of Robert Cancelosi, 2026.

• Violin by George Gemunder, Astoria, New York, 1879. Purchase funds gift of Ken Cancelosi, in memory of Robert Cancelosi, 2026.

Violas

• Viola by Carl F. Becker, Chicago, Illinois, 1952. Gift of Steve and Penny Kruse, and purchase funds gift of Ken Cancelosi, in memory of Robert Cancelosi, 2025. NMM15872

• Viola by Carl F. Becker, Chicago, Illinois, 1982. Gift of Ken Cancelosi, in memory of Robert Cancelosi, 2025. NMM16051

• Viola by David Burgess, Ann Arbor, Michigan, 1984. Purchase funds gift of Ken Cancelosi, in memory of Robert Cancelosi, 2026. NMM16060

• Viola by Marilyn Wallin, Lincoln, Nebraska, 2022-2025. Purchase funds gift of Ken Cancelosi, in memory of Robert Cancelosi, 2026. NMM 16057

Violoncellos

• Violoncello by Martin Nebel & Bro., New York City, New York, 1910. Gift of Ken Cancelosi, in memory of Robert Cancelosi, 2024. NMM15798

• Violoncello by Francesco Ruggeri, Cremona, Italy, 1683.

• Violoncello by Gennaro Gagliano, Naples, Italy, 1735.

• Violoncello by Giuseppe Gagliano & Antonio Gagliano, Naples, Italy, 1772.

• Violoncello, Germany, ca. 1700-1800.

• Violoncello, labelled Jean Baptiste-Colin, attributed to Laberte-Humbert Frères, Mirecourt, France, 1907.

• Violoncello by Carl Becker & Son, Chicago, Illinois, 1968.
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Double Bass

• Double bass by Paul Toenniges, Los Angeles, California, 1940.