What is Speech Level Singing?

Speech Level Singing (SLS) is a revolutionary technique developed by Seth Riggs which has changed the music industry. SLS enables you to sing without inappropriate muscular tension, in the same easily produced and effortless way you speak (assuming your speaking voice is not constricted, forced, or breathy)



This vocal technique is now the industry standard and is the vocal technique of choice for the American Idol television show.

SLS technique enables you to develop a healthy, strong voice with great high notes, and no strain. You will be able to sing in your “chest” voice, and you will learn to “mix” into the higher registers so your voice will be smooth with no “register breaks” and balanced throughout the range. Your range will extend dramatically. You will learn to sing with “soul”, emotion, and flexibility. Your voice will remain healthy for a lifetime of singing.

SLS trains and certifies highly qualified voice teachers throughout the world to teach this technique. This educational process, Speech Level Singing International provides educational opportunities to students of certified SLS teachers through “SLS Events”, which are held twice yearly and conducted by top level SLS representatives, known as IMT. Masterclasses may also be attended by anyone with an interest in learning more about Speech Level Singing.