#lang scribble/manual @(require (for-label racket)) @title{(add a b)} addition, written '+' in sclang. @racketblock[ (audition (out 0 (add (mul (f-sin-osc ar 800 0) 0.1) (mul (pink-noise ar) 0.1)))) ] DC offset. @racketblock[ (audition (out 0 (add (f-sin-osc ar 440 0) 0.1))) ]