166 생명의 양식

<4부>

https://www.youtube.com/watch?v=u1JDBlUH7wg

<소프라노>

https://www.youtube.com/watch?v=ZIFeltp4t3A

<알토>

https://www.youtube.com/watch?v=ro3K82LHWN0

<테너>

https://www.youtube.com/watch?v=Ua55JPS_iC0

<베이스>

https://www.youtube.com/watch?v=EOK0Q-3ZhsU