Lyle "Spud" Murphy's
original, prestigious course
Join the best musicians and composers in praise of the Equal Interval System® Course.
Murphy’s prestigious Equal Interval System® (EIS®) moves beyond traditional theory with a fresh and innovative way to composing music that will unleash your creativity.
This course includes: Harmony, Melodic Development, Composition, Arranging and Orchestration.
Lyle 'Spud' Murphy enjoyed 75 years of success in many areas of the music industry.
Herbie Hancock and Benny Green are among the many talented musicians who praise the EIS® method.