During 1926 and 1948 which Louis Horst had laboured with Martha Graham. for twenty years period. Louis Horst did influence greatly which is unmeasurable on the life and work of Graham. Following are important contents summarized on this matter. 1. Horst composed music for early work of Graham. 2. Horest took role of music supervisor such as music consultant and accompanist for Graham. 3. Musical view of Horst was very clever, excluded instant attempt and was influenced by the assertion that dancing should be furnished as a perfect an to be recognized in its theory and therefore. Graham shown wild practical work character. 4. Horst made Graham to be in touch with expressional dancing by showing Books and Mary Wigman from Germany. 5. Horst was a real sponsor and a spiritual supporter of Graham. As shown above. Louis Horst influenced greatly on Graham to reach into her greatness by showing the work which was cut loosed from romantic dancing of Denishawn style.