ln = s.sec(4)

s.endtick(ln)

left = s.relay()
right = s.relay()

left.setpos(0, -0.3, 0, 0)
right.setpos(0, 0.3, 0, 0)

tr1 = s.node()
tr1.setbasefreq(ln, s.note("C4"))
tr1.sine(0, ln)
tr1.setgain(0, 0.3)

tr1.setpos(0, 100, 0, 0)
s.air(tr1, [left])
s.air(tr1, [right])