There are at least 6 bands/artists with the name Troy: Troy: Incorrect Name Of The Artist.
The most common use of Troy in Last.Fm, It's an incorrect tag to Zac Efron, So, Please, Do Last.Fm a favor and fix your tags.
Troy is character that actor Zac Efron plays in a musical movie. Troy (The Band):
Troy is a Rock band from Springfield, MO that consists of Chris, Kane, Cord, and Johnny B. They've recently opened up for such bands as Breaking Benjamin, Three Days Grace, Skillet...