I think music is, ultimately and from the start, a musician language and all musicians are able to TRANSLATE one idiom to another one ...
Human culture in spite of his manifested differences is universal....Consciousness is one...
Then jazz, classical, or Indian or Chinese music are understandable by any musician on earth and by any listener...The greatest discovery of the last century was the inter-translation and influence between all specific cultures and revealing that in essence there is only one with many communicating facets...Then so much precious is the center of any tradition to be what it is, so much precious are the area of contact between them...
The musical interplay between playing a tune or a symphony , or improvising and creating a new one is a musician matter...
Music is musicians heart affair and there is no absolute frontier between lovers...