Holy, Holy, Holy (Intermediate) Sample Lesson Sample  In this Piano by Ear lesson you will learn an Intermediate level arrangement of the hymn "Holy, Holy, Holy." This majestic hymn has inspired believers for generations and in this lesson you can learn it completely "by ear."  A full demonstration of the song is included along with the detailed phrase-by-phrase, note-by-note lesson that has made Piano by Ear one of the fastest ways to learn songs without music, print or video.