Complex sentence: In the early 50's, he also used Billy Lorento as a stage name and had his own guitar and string line with the German guitar manufacturer, Framus, and in the 1960's he performed and recorded under the name Bill Lawrence.
Split into simpler sentences: In the early 50's, he also used Billy Lorento as a stage name and had his own guitar and string line with the German guitar manufacturer, Framus. However, since the 1960's he has performed and recorded under the name Bill Lawrence.