how to make tween animations for Void Script Builder?

I've been making some animations on vsb using CFrame.Angles and CFrame.new on C0 and C1...

Could anyone maybe help, I wanna learn how to tween welds.

What I do with CFrame.new and CFrame.Angles on C0 and C1:

local weld = Instance.new("Weld", character["Head"])
weld.Part0 = character["Head"]
weld.Part1 = character.Torso
weld3.C1 = CFrame.Angles(0,0.1,0)
while true do
    wait(0.06)
    weld.C1 = CFrame.Angles(0,0.2,0)
    wait(0.06)
    weld.C1 = CFrame.Angles(0,0.3,0)
    wait(0.06)
    weld.C1 = CFrame.Angles(0,0.2,0)
    wait(0.06)
    weld.C1 = CFrame.Angles(0,0.1,0)
    wait(0.06)
    weld.C1 = CFrame.Angles(0,-0.1,0)
    wait(0.06)
    weld.C1 = CFrame.Angles(0,-0.2,0)
    wait(0.06)
    weld.C1 = CFrame.Angles(0,-0.3,0)
    wait(0.06)
    weld.C1 = CFrame.Angles(0,-0.2,0)
    wait(0.06)
    weld.C1 = CFrame.Angles(0,-0.1,0)
    wait(0.06)
    weld.C1 = CFrame.Angles(0,0,0)
end

That's a No. type head nod animation, if you test it it's not very smooth, how would I make it smoother though with tweening?