Complex sentence: The tour revitalised the band; the remaining tracks were recorded on the band's return to England in a disused cinema in Hitchin, attractive to Smith because of its acoustics and ambience.
Split into simpler sentences: The tour revitalised the band with the remaining tracks were recorded on the band's return to England. They choose a studio in a disused cinema in Hitchin, attractive to Smith because of its acoustics and ambience.