heather kefalas a lifetime of music private vocal training...voice teacher las vegas voice lessons...vocal lessons...singing lessons state of the art high-tech studio increased range...vocal technique speech level singing...SLS vocal instructor pro song-writer...vocal coach musical theatre...world-epic film music grammy award winning performances charismatic stage presence rock / indie rock...blues...classical...pop....country pianist......jazz...intense harmony ...and the show goes on Home Biography Studio Credits Music Portfolio Testimonials Contact Heather Kefalas Vocal Studio  |  Las Vegas, NV  |  Certified SLS Vocal Instructor  |  2012