Master McCoy and the Princesses of the Golden Ring - Master McCoy Series, #1

These enhancements include such things as telescopic vision, microscopic vision, infrared, and x-ray. Using his new Multi-Brain, he is able to invent new products and write computer programs which make him very wealthy. The alien helps him transform his body and assume a new identity. He always wanted to be a country singer. His Multi-Brain gives him the skills necessary to fulfill his dreams. He is transformed into a handsome, muscular, 6 foot 3 inch singer.
In his new identity, he buys a nightclub in downtown Nashville.