Complex sentence: Raymonde also did some work on Walker Brothers hits (like "Make It Easy On Yourself"), which were also competently aided by engineer Peter Olliff; the more classical sounding Walker Brothers arrangements were frequently handled by Reg Guest.
Split into simpler sentences: Raymonde also did some work on Walker Brothers hits (like "Make It Easy On Yourself"), which were also aided by engineer Peter Olliff. The more classical sounding Walker Brothers arrangements were frequently handled by Reg Guest.