sccode = """
SynthDef.new(\\keys, {
	|amp=1, sus=1, pan=0, freq=0, vib=0, fmod=0, rate=0, bus=0, cutoff=400|
	var osc, env;
	freq = In.kr(bus, 1);
	freq = [freq, freq+fmod];
	freq = freq * [1, 1.005];
	amp = amp / 4;
	osc = SinOsc.ar(freq + (rate * 100) * XFade2.ar(LFPar.ar(freq * (1/2)), LFTri.ar(freq * 1)), phase: 0.2, mul: 0.8);
	osc = RHPF.ar(osc, 400, 3);
	env = EnvGen.ar(Env([0, 1, 0.9, 0.5, 0],[0.01, 0, 0.5 * sus, 1 * sus]));
	osc = Mix(osc) * env * amp;
	osc = Pan2.ar(osc, pan);
	ReplaceOut.ar(bus, osc)
},
metadata: (
	credit: "Credit",
	modified_by: "Modifier",
	decription: "Description",
	category: \\category,
	tags: [\\tag, \\tag]
)).add;

"""

synth = SCInstrument(
    shortname="keys",
    fullname="Keys",
    description="Keys synth",
    code=sccode,
    arguments={}
)