Choosing the right guitar is all about getting something that is a great match. By watching a live video of your favourite band or musician, you can see the type of guitar they play. This will give a better idea of what guitar you should look at buying.
For example, this video of Extreme playing the Classic song More than words features a steel string acoustic guitar:
This song by Kings of Leon features electric guitars:
Here is Bach's Prelude Cello Suite No. 1 in G Major. If you're into this style of classical guitar music, then a classical guitar is for you!