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Music phasing
 

offline Amonbrune from Vancouver (Canada) on 2002-11-16 18:41 [#00444518]
Points: 7327 Status: Addict



Im listen to Steve Reich's Piano Phase and Im just curious
on how it works. Maybe someone here knows the technical
side to it...zeus maybe you can help.

i heard both pianists play a piano loop and then one guy
speeds up. does the same guy doing the speeding up every
interval or whatever or do they take turns speeding up so as
to phase over ... if that made sense...


 

offline Amonbrune from Vancouver (Canada) on 2002-11-16 18:43 [#00444523]
Points: 7327 Status: Addict



also, at the point of speeding up (if speeding up is
correct) how do they know what bpm to achieve? you're
playing the piano and all of a sudden you want to escape the
other persons loop. how do you know when you have gotten
into your own loop?


 

offline mylittlesister from ...wherever (United Kingdom) on 2002-11-16 18:48 [#00444532]
Points: 8472 Status: Regular | Followup to Amonbrune: #00444523



lots and lots of practice?

maybe i should hear the piece, i really need to hear more
Steve Reich.


 

offline Zeus from San Francisco (United States) on 2002-11-16 18:56 [#00444552]
Points: 14042 Status: Lurker



havnt heard the peice

if you could tell me where to get it (dont have slsk) ill
see what i can make of it


 

offline pachi from yo momma (United States) on 2002-11-16 19:34 [#00444606]
Points: 8984 Status: Lurker



hmm

an accelerando, i reckon?


 

offline wayout from the street of crocodiles on 2002-11-16 19:44 [#00444618]
Points: 2849 Status: Lurker



i heard he uses two taped loops..
he'll play one loop at one speed, and the other loop at a
slightly different speed..
they start off synced up and gradually get more and more out
of sync

im not sure if thats what he did on the piece youre talking
about...but
he did this with his vocal pieces 'its gonna rain' and 'come
out and show them'

brian eno was inspired by this technique.. and has done
similar things
..he credits reich's experiments like this as the first
attempts at generative music


 

offline wayout from the street of crocodiles on 2002-11-16 19:45 [#00444619]
Points: 2849 Status: Lurker



oh..i should say that the two tape loops are two copies of
the same thing


 

offline Zeus from San Francisco (United States) on 2002-11-16 19:45 [#00444620]
Points: 14042 Status: Lurker



yes, the 2 players are just speeding up and slowing down

but its fucking amazing.
its like, a digital delay, but done with 2 piano players!

im impressed. its gotta take so much skill to do this!


 

offline Zeus from San Francisco (United States) on 2002-11-16 19:46 [#00444621]
Points: 14042 Status: Lurker



well, then if its tape...

then im at little less impressed.

although it was done back in the day, so it was probably
much more break through back then


 

offline wayout from the street of crocodiles on 2002-11-16 19:53 [#00444634]
Points: 2849 Status: Lurker



ah here ya go:

"Reich's first attempt to apply the phasing process within
an instrumental context was Piano Phase (1967). Here a
twelve note even semiquaver melody consisting of five
different modal pitches is set up in unison with itself on
two pianos. The lead player gradually speeds up until he has
moved one sixteenth ahead. The dotted lines in the score
indicate the movement of the second pianist and the
consequent shift of phase relation between himself and the
first pianist."

from here



 

offline titsworth from Washington, DC (United States) on 2002-11-16 19:54 [#00444635]
Points: 14550 Status: Lurker



if you want a comparison between the phasing used by steve
reich and the phasing used by RDJ on saw2, this is a good essay


 

offline Mickey Mouse from The Moon on 2002-11-17 02:12 [#00444954]
Points: 4130 Status: Addict



My music theory teacher did a performance with a fellow
music instructor at my school. They both arranged a piece. I
looked at it and the time signatures were pretty nuts. And
so it starts off that they both play the piece for about
half a min.. the melody and chords vary a little making
these nice harmonies. Then when the screwy key sig's start..
they are one is a half a measure apart... then one is a
whole bar late... then like seven bars back.. then they
other person catches up agian. Its extremely hard to play,
because once you mess up... its damn near impossible to find
your place agian....


 

offline titsworth from Washington, DC (United States) on 2002-11-17 02:18 [#00444957]
Points: 14550 Status: Lurker | Followup to Mickey Mouse: #00444954



i had to perform clapping music with a group, even that was
tough!


 

offline TonyFish from the realm of our dreams on 2002-11-17 06:19 [#00445102]
Points: 3349 Status: Lurker | Followup to titsworth: #00444957



I have some notes of his about phasing in the mini-book that
came with Works. I'll have a look later..


 


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