The product is a rare out-of-print (OOP) cassette tape featuring the legendary Swedish tenor Jussi Bjoerling in opera arias from the operas "Martha" and "Prince Igor". Released in 1959 by RCA, the cassette comes in a standard jewel case with a multicolor design. This collectible music item, from the 1950s era, showcases Bjoerling's exquisite classical singing style, making it a coveted piece for opera and classical music enthusiasts.