Worf apparently was not fond of Irving Berlin
Irving Berlin was a 20th century American composer.
In 2379, Data sang Berlin's "Blue Skies" at the wedding of William T. Riker and Deanna Troi. Worf was familiar enough with the song to recognize it as Berlin's work, which caused him to groan. (Star Trek Nemesis)
Berlin also received credit for his work in the credits for the film.