in 1967, hideto joined the manga and backbone trio (with yukihiro kimura and the backbones) and began his professional career as a singer. also, with kimura's instruction to "sing rock", sing "long tall sally" by the beatles from june of that year and then sing "out of time" and "tell me" by the rolling stones. (the fact that the manager of penguin-do recommended that the lp of the live version of the stones had a great influence on hideto noguchi's theatrical performance later), and the name of hideto noguchi in kansai was given to know gradually.