This compilation showcases how "Happy Birthday" would sound if it were composed by 10 different classical composers. Each version incorporates the unique styles and characteristics of composers such as Beethoven, Mozart, and Bach. The familiar tune is transformed into a variety of classical genres, ranging from Baroque to Romantic to Contemporary. The creativity and talent of each composer is highlighted in these unique interpretations of the classic birthday song. This compilation offers a fun and entertaining way to appreciate the diverse musical influences of these renowned classical composers while celebrating a special occasion.