Erik Westbergs Vokalensemble

the glissandi of the solo flute later in the piece

For symphony orchestra

• Kring julgranen

Julsång med text av Ylva Eggehorn för SATB och piano/orgel

Sawtooth/Square Algotsson Erik Westbergs VokalensembleSawtooth and square are terms taken from the world of electronic music, denoting different waveforms with clearly defined on off states. The sawtooth wave rises linearly and then abruptly falls back to its starting point, while the square wave regularly alternates between two fixed levels. Translated to the sound world of the piano, this results in an expression that is harsh, angular, and at times intentionally unpleasant not unlike the effect of