Yes! I think the retention aspect is especially important. When we had my daughter memorize our phone numbers, we created a tune to go along with them. Even when she was very small, she could sing our phone number back to us, and she still sings it when she has to recall it.
Some references to the importance of studying out loud in the Jewish tradition here: https://judaism.stackexchange.com/questions/132642/learning-out-loud-vs-learning-quietly
It's not especially different from what you say, but I thought it was interesting.
Yes! I think the retention aspect is especially important. When we had my daughter memorize our phone numbers, we created a tune to go along with them. Even when she was very small, she could sing our phone number back to us, and she still sings it when she has to recall it.