I can totally understand the level of nervousness that 27 years old composer might be feeling while giving an audition test to one of the leading most stars of 60s who had very exuberant and exacting choices and quite an extensive and thoroughgoing knowledge as far as music is concerned. The guy with thick black rimmed glasses had yet to find his feet in main stream movies even after giving music in total 4movies during 5 last years. And perhaps that's why he might have thought to start with a secure tune which was already adored by a large mass.