How can you know what note to play on your electric guitar if you don't accurately hear music? How can you know what note to sing in case you don't even know what key the song you are singing is in?
Ear training and using ear training software is important for both performers & musicians!
You need a good sense of relative pitch to be a good artist. But in addition it ought to go without mentioning that it's paramount to becoming a good songwriter.
What on earth is relative pitch? It's the capability to understand how notes and chords connect with each other.
When you have a good sense of relative pitch, you are going to not simply be capable to tell precisely what notes you hear, most importantly, you are going to know which tone will sound good after that.Because of this, it is important for song writers as well as musicians.