Open Your Window to How Can I Be Sure of You in 8 Steps

1. Open Your Window was arranged by George Tipton
2. George Tipton arranged I'll Never Leave You
3. I'll Never Leave You was produced by Richard Perry
4. Richard Perry produced Ambush
5. Ambush was published by Blackwood Music
6. Blackwood Music published The Flying Saucer Song
7. The Flying Saucer Song was written by Harry Nilsson
8. Harry Nilsson wrote How Can I Be Sure of You

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