Les Emmerson (born 17 September 1944 in Ottawa, Ontario, Canada) is the lead vocalist and guitarist for the Five Man Electrical Band. The Five Man Electrical Band were best known for their 1971 Emmerson-penned hit single, “Signs,” which Tesla covered in 1990, making it a hit again on their Five Man Acoustical Jam album, named in tribute to the band who wrote the original. Les also recorded as a solo artist, charting in Canada with “Cry Your Eyes Out.”