In January NUMBER@1 , The Who 's PERSON@1 organised a comeback concert for PERSON@2 at LOCATION@1 's Rainbow Theatre aptly titled the `` Rainbow Concert '' to help PERSON@2 kick his addiction .

However , he performed a comeback concert at the Rainbow Theatre in LOCATION@1 on January NUMBER@2 , NUMBER@1 , thanks to his friend PERSON@1 of The Who .
