Simplify the following text for a Grade 7 native English-speaking person.
Original: Although still a member of the Faces , he toured North America with the Rolling Stones in 1975 ; the Faces announced their break-up in December of that year , and Wood was officially declared a member of the Rolling Stones in February 1976 .
Simplified: In February 1976 he was made a full-time member and has recorded and toured with the band ever since . Prior to his work with the Rolling Stones , Wood was the guitarist in the English rock band Faces .