“Symphony No. 7, by Jean Sebilius,” conducted by Sir Thomas Beecham (1942) pel217September 14, 2018January 3, 2019Album Covers Post navigation PreviousNext Front cover credit, close up. Steinweiss, Alex (design). Sir Thomas Beecham conducts, “Symphony No. 7, by Jean Sebelius,” 1942. Columbia Masterworks (M-524). 78-rpm cardboard cover, 10 X 10in. (25 x 25 cm).