Slow cluster glissando
Also called Rolling Surf effect by Salzedo.[Lawrence/Salzedo 1929]
Production
The harpist holds his/her hand open and horizontal and slides the four fingers and the thumb slowly and repeatedly across the strings.
Sound
A slow cluster glissando creates a sound cluster of slow, multiple glissandi.
Notation
A slow cluster glissando is notated with an interval, an arrow and a repeated arpeggio sign. The arrow shows the direction of the glissando. Beginning and end notes are normally not played, the interval merely shows the span of the sliding fingers.
Range
The whole harp