Although not, strictly speaking, the first piece of minimalist music, “In C” by Terry Riley is arguably the most influential and defining work in the minimalist movement. Preceding “in C” was La Monte Young; the first minimalist composer. Riley elaborated Young’s musical approach of sparse materials and long tone process by adding tonality to the method. For example, while Young was adverse to stating, or even alluding to, a tonal centre in his compositions, “In C” relies heavily on the notion of key.
Though minimalism began with Young it was Riley who bought it to the masses, his compositions being far more accessible to the public. The two contemporaries met in 1958, Young already immersed in his minimalist theory of music and Riley coming from a “rural hippie” upbringing, he was introduced to marijuana and mescaline, and was inspired, so much so that his first tape loop work was titled Mescaline mix. In his own words Riley admits he is indebted to Young for introducing him to “this concept of not having to press ahead to create interest”
It is worthy to note that one key element of this composition is credited to Steve Reich. The high C’s played constantly by the piano are essential for both rhythmic and harmonic cohesion, and are a crucial aspect to the compositions character.
This piece is both minimalist and aleatoric style, the aleatoric style lends itself to minimalism as this genre’s characteristic trait is the subtle development of very simple themes or motifs etc, the fact that in C is left to the emotion of the performance (this is assuming that the musicians performing are proficient in ensemble playing), a composition of another style could rely on the written melody or rhythm to provide interest but the success of a minimalist performance relies much more on the performer than any other genre. That being said, the aleatoric nature of in C makes it difficult to discuss in detail the musical aspects of the piece. as each performance is new, which makes for compelling listening. For example, in the original recording involving Terry Riley there is a canonical section of motif number 7, eventually being echoed by multiple players as they stagger their entrance. Whereas other performances crescendo and then diminuendo at different points leaving perhaps just an electric guitar playing. Also, the timbre can change depending on which instruments are selected to play, the tempo, melodic focus, rhythm all change from performance to performance as well. The two aspects that can be discussed in general terms are structure and harmony. The players can remain on one motif as long as they choose but must always remain with 2-3 motifs of each other, although performances can go for hours or 10 minutes, the general timing of the piece is 45 to 90 minutes. The piece always begins in the same manner, the high c on piano and the other instruments enter at their leisure. The piece also ends in the same way, once one player has reached the final 53rd motif, they remain on that until all members of the ensemble have arrived, when everyone is playing in unison they crescendo and diminuendo a few times and then cease playing the motif when they feel it is musically appropriate. In regards to harmony the piece generally gravitates towards E minor in the middle and G towards the end.
– Jamie
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