Rav Simcha Zissel Ziv, The Alter of Kelm


When R’ Simcha Zissel learned Mussar, his whole body was involved.  He would pace back and forth singing penetrating, heart-rending melodies that touched the soul and awakened the mind.  He himself composed the tunes.


From Sparks of Mussar by R Chaim Ephraim Zaitchik