sccode = """
SynthDef.new(\\twang,
{|amp=1, sus=1, pan=0, freq=0, vib=0, fmod=0, rate=0, bus=0, blur=1, beat_dur=1, atk=0.01, decay=0.01, rel=0.01, peak=1, level=0.8|
var osc, env;
sus = sus * blur;
freq = In.kr(bus, 1);
freq = [freq, freq+fmod];
freq=(freq / 8);
freq=(freq + [0, 2]);
osc=LPF.ar(Impulse.ar(freq, 0.1), 4000);
osc=(EnvGen.ar(Env.perc(attackTime: 0.01,releaseTime: sus,level: amp,curve: 0), doneAction: 0) * CombL.ar(osc, delaytime: (rate / (freq * 8)), maxdelaytime: 0.25));
osc = Mix(osc) * 0.5;
osc = Pan2.ar(osc, pan);
	ReplaceOut.ar(bus, osc)}).add;

"""

synth = SCInstrument(
    shortname="twang",
    fullname="Twang",
    description="Twang synth",
    code=sccode,
    arguments={}
)