Thanks for that clip! Hadn't thought to look for it on YouTube. Yeah – motorbikes? ¿¿Qué?? I liked his closing comment:
Every time I feel I have to start from scratch. 
(Yep, I'm with him there.)
My current favourite piece (of all!) is
Spiegel im Spiegel. The Tasmin Little CD has semi-permanently taken up residence in the player. I find myself writing complicated stuff when I actually want to be able to strip it all away ... *drifts into reverie*
The Hillier book: I picked up my "pre-loved" copy at a university book sale ... $2! *thinks* it might be the sort of thing that would appear on
required reading lists, and therefore turn up in secondhand bookshops or on eBay or wherever.
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The mention of
status of a flower prompted me to google up the William Blake verse (thinking that Pärt may have been quoting or alluding to it). Not quite, but here it is anyway:
To see the* world in a grain of sand,
and heaven in a wild flower,
hold infinity in the palm of your hand,
and eternity in an hour.
* some sources: "a"; also various versions of punctuation, obvious "www" errors, etc ... must chase this up.