Answer
Hendrix - for moving music onto another dimension,
eminem - for moving lyrical synchopation onto another plane,
steve vai - for showing how a guitar can be an extension of your mind,
chuck berry - for showing that telling stories can be used musically,
buddy rich - for showing that drums are an immensely technical instrument to play at his almost superhuman level,
mozart - for showing that dance music started many years before the sixties,
prokofiev - for showing that emotions are integral to writing music (romeo and juliet suite),
mike oldfield - for showing that you do not need all the standard instruments to make an incredible recent(ish) work,
roger waters - for putting so much thought and production effort into every one of his works that you have to listen to them many times before you hear everything that has been created,
finally, everybody that appreciates music whether playing, singing or not. the personal enjoyment and therapeutic effects that listening to or playing music can have are immense. without that, music would be worthless.