This is a test-chart:

<a href="irealbook://Ballad of Jesse James=Stuebl Andi=Ballad=G=n=T44*A[G |D |E- |x ][G |D |A- |E- |G |D |A- |C ]{G |D |A- |N1C } |N2C D E- ]">Ballad of Jesse James</a>

Let's see, what happens!