So you want to learn how to chant nam myoho renge kyo?
A short film created by the SGI a Buddhist Peace movement of which I am a member.
A great introduction video which simply explains what you need to do to learn how to chant nam myoho renge kyo,
"It is the same with a Buddha and an ordinary being. When deluded, one is called an ordinary being, but when enlightened, one is called a Buddha. This is similar to a tarnished mirror that will shine like a jewel when polished. A mind now clouded by the illusions of the innate darkness of life is like a tarnished mirror, but when polished. it is sure to become like a clear mirror, reflecting the essential nature of phenomena and the true aspect of reality. Arouse deep faith, and diligently polish your mirror day and night. How should you polish it? Only by chanting Nam-myoho-renge-kyo."