Every serious musician knows that manipulating the sound that their instrument produces is the basis of every good music. Knowing the basics of music is a good start, but sometimes it isn't enough, you need to dive into every note and push the threshold of your instrument for others to really take notice. This is why some musician look for some Electro-Harmonix Amplifiers for sale to help them manipulate the sounds their instrument hence making music that people can really get into.