baritone vocals [don carlo] Leonard Warren
baritone vocals [jago] George Cehanovsky
bass vocals [don silva] Cesare Siepi
composed by Giuseppe Verdi
conductor Dimitri Mitropoulos
libretto by Francesco Maria Piave
mezzo-soprano vocals [giovanna] Helen Vanni
photography by Byron G. Hathaway, Jr.
photography by Frank Lerner
soprano vocals [elvira] Zinka Milanov
tenor vocals [ernani] Mario del Monaco
tenor vocals [riccardo] James McCracken
Auto coupled release: Side A+D, B+C
10-pages booklet with Synopsis and Photos

Recording time:
Side A: 31:24
Side B: 32:10
Side C: 29:06
Side D: 29:10

[Labels]
-Dimitri Mitropoulos cond. New York December 29, 1956 at 6 o'clock
-Private record at 6 o'clock
Matrix / Runout: (61-A) (Label side A)
Matrix / Runout: (61-B) (Label side D)
Matrix / Runout: (62-A) (Label side B)
Matrix / Runout: (62-B) (Label isde C)
Matrix / Runout: MRF 61-A 4•21•70 (Runout side A)
Matrix / Runout: MRF 61-B 4•23•70 (Runout side D)
Matrix / Runout: MRF 62-A 4•21•70 (Runout side B)
Matrix / Runout: MRF 62-B 4•23•70 (Runout side C)
Other: MRF-6 (On label)