The relation of repetitions for learning and for repeating English stanzas needs no amplification. These were learned by heart on the first day with less than half of the repetitions necessary for the shortest of the syllable series.
In fact I was one of the few trusted people that Lucy allowed to play with their kids. I spent time at their summer home rode horses at their ranch and swam at their beach house. I even spent a Christmas with them at Palm Springs one year.