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In C is a semi-aleatoric musical piece composed by Terry Riley in 1964 for any number of people, although he suggests "a group of about 35 is desired if possible but smaller or larger groups will work". It is a response to the abstract academic serialist techniques used by composers in the mid-twentieth century and is often cited as the first minimalist composition.

Technique - In C consists of 53 short, numbered musical phrases; each phrase may be repeated an arbitrary… read more



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  • amazing.
  • Mostly I was listeinig to this version, but it was from this disc "In C - 25th Anniversary Concert ". Update your tags.
  • A phenomenal, hypnotic trip into the unknown
  • How many versions of this are there? I can see how every time it's played it comes out different but wonderful. You can imagine this going on, literally, forever - as any number can play it, it would be open to people entering, playing for a while, going away, coming back a few days later, playing some more etc. All that's needed is the space to do it, so come on, let's do it!! The version I'm currently listening to (about 35 minutes) is absolutely wonderful
  • Listen. There is no know;edge. Listen!
  • wonderful
  • does anyone have any massive knowledge on this piece or any opinions on its form?i have to write a 3000 essay on its form... i;d appreciate any ideas.. email me
  • ..when the soul begin music
  • I only discovered In C yesterday - that 76 minutes version and am enchanted. Where/how can I find that Ars Nova Copenhagen version on
  • part 2 - Second one is Terry Riley - In C 25th Anniversary Concert (very good version from 1995, it takes 1 hour and 16 minutes)_______Third version is Terry Riley - In C Djembé [Ensemble Percussione Ricerca, Eddy De Fanti] (it is rather boring version for percussion ensemble - it is 41 minutes long)__Just try to downlad in c few times - you will get three different versions ;)

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