In The Sweet By and By - Early Intermediate Solo (CD) Sample Lesson Sample  (Download) In this lesson you will learn this traditional hymn in two keys with three different left hand accompaniment styles. The style is explained so that you can use the techniques for other songs as well. The song is fully demonstrated and then taught completely "by ear" without music, print or video. This lesson is suitable for most adult students who have been practicing regularly for a little over a year.