Ludwig van Beethoven was a German composer and pianist who is widely considered one of the greatest composers in Western classical music history.

Carl Sagan (1934-1996) was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, and science communicator.

Felix Mendelssohn, born Jakob Ludwig Felix Mendelssohn Bartholdy, was a renowned German composer, conductor, pianist, and educator of the Romantic era.

Ludwig van Beethoven was a German composer and pianist who is widely regarded as one of the greatest composers in Western classical music history.

Wolfgang Amadeus Mozart, born in 1756, was an influential and prolific composer of the Classical era.

The violin is a string instrument that is played with a bow.