Handel has been killed and Beethoven is on the case. He has interviewed the four suspects and their statements are shown below. Each suspect has said two sentences...one sentence of each suspect is a lie and one sentence is the truth. Help Beethoven figure out who the killer is.

Joplin: I did not kill Handel. Either Grieg is the killer or none of us is.
Grieg: I did not kill Handel. Gershwin is the killer.
Strauss...

Imagine a world in which the colors of things have changed from what we consider normal. Assume the following changes:

Snow is now red.
Grass is now black.
The sky is now brown.
Blood is now white.
Soot is now green.

In such a world, what is the color of dirt?

In the following code, each symbol stands for one of five letters.

^ stands for M, O, I, U, or W
V stands for Y, U, F, E, or L
< stands for H, E, B, K, or T
> stands for J, A, G, N, or P

The four letter code word, <^>V, can be translated into two English words that are opposites. What are the two words?

What 5 chemical elements make chocolate?

Sid always moans that if only people told the truth he would sell more of his goods. What does he make?

A music teacher once told his student a fast way to make good compositions. The secret is to choose a famous composition, turn it around, and you will get your own original composition!

The student happily tried this secret, and it indeed works. However, this secret does not work for his music teacher's compositions. Why?