"April Showers" is a popular song with music written by Louis Silvers and lyrics by B. G. De Sylva. First published in 1921, it is one of many popular songs whose lyrics use a "Bluebird of happiness" as a symbol of cheer. ("So keep on looking for a bluebird, and waiting for his song.")
The song was introduced in the 1921 Broadway musical Bombo, where it was performed by Al Jolson. It became a well-known Jolson trademark: the first of his several recordings of the song was on Columbia Records in October 1921. It has also been recorded by many other artists including Cab Calloway, Bing Crosby, and Judy Garland.
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A video for this song: