Well, I must admit...I did not not know Sibbe admired Bartok. I suppose I can see him taking an interest in more modern muisc toward the latter part of his career. Works like Tapiola certainly show a bent towards more modern...perhaps avant-garde techniques...so this all makes sense.
After my last post about Bartok, I got to thinking and maybe I was initially to harsh on him. I will admit, I only have a few Bartok recordings and, what I have, does not really get me going in any way. To me, he sounds like he was trying too hard to be like Stravinsky. But, since I have not heard a very wide array of his music, perhaps I shouldn't pass such a harsh judgement on him. This weekend, I'll take some time to listen to him and be a little more open minded.
In another discussion here, there was a quote by Bartok in which he derides Sibelius! Was Sibbe aware of this when he laid praise on the wild Hungarian?