Baseball is an ongoing theme in Peanuts. This strip is the first that references particular players, in this case Stan Musial, Ted Williams, and Roy Campanella. Bach, Beethoven and Brahms all appear earlier in one manner or another. In case you're wondering, Joe Shlabotnik does not appear until 1963.
June 24, 1954
Strip from The Complete Peanuts 1953-1954
These are the results and standings for June 24, 1954
This was the Billboard #1 song on June 24, 1954. It also topped the charts for the year.
Honestly I've never been a fan of this style of music that was characteristic of the 1940's and 1950's. Rock and Roll was beginning though, by 1954, and these two songs made the top 30 for the year:
Elvis recorded "That's All Right on July 7, 1954 at Sun Studio