Complex sentence: Thaen Rasmussen and Bob Capka alternated in the 2nd guitar role, and for the band's American tour, Dutch singer Nick Holleman (Powerized, Methusalem) took over as vocalist.
Split into simpler sentences: Thaen Rasmussen and Bob Capka alternated in the 2nd guitar role. For the band's American tour, Dutch singer Nick Holleman (Powerized, Methusalem) took over as vocalist.