Don't process a nil test instrument
Don't process a nil test instrument

narner/AudioKit,narner/AudioKit,narner/AudioKit,roecrew/AudioKit,roecrew/AudioKit,laurentVeliscek/AudioKit,catloafsoft/AudioKit,narner/AudioKit,catloafsoft/AudioKit,catloafsoft/AudioKit,laurentVeliscek/AudioKit,laurentVeliscek/AudioKit,dclelland/AudioKit,laurentVeliscek/AudioKit,catloafsoft/AudioKit,roecrew/AudioKit,dclelland/AudioKit,dclelland/AudioKit,dclelland/AudioKit,roecrew/AudioKit