Provided to YouTube by Parlophone UK Suddenly (feat. Cliff Richard) (From the Movie 'Xanadu') · Olivia Newton-John · Cliff Richard Private Collection ℗ 1980 MCA Records Mastering Engineer: Bernie Grundman Masterer: Bernie Grundman Engineer: Chris Platel Engineer: Cliff Richard Mixing Engineer: Cliff Richard Featured Vocals: Cliff Richard Engineer, Mixer: Cliff Richard With Olivia Newton John Producer: John Farrar Engineer: Olivia Newton-John Mixing Engineer: Olivia Newton-John Writer: John Farrar Auto-generated by YouTube.