"would" apparently refers to habitual activity. It may be debatable whether a single party lasts long enough to establish habitual activity, but on balance the use is probably acceptable. The use of "to" does not sound correct to me.
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4444mvOk GPY. Now, is it true that there is a rule that states that we cannot use "would" when referring to past states?"would be still and silent" suggests a change of state (similar in meaning to "would fall still and silent", say). I cannot think of any comparable use of "would" to describe an unchanging state. Of course, "would" has various other uses too