Question: How many former members from the band where Zack De La Rocha was a rapper/vocalist took part in the Audioslave discography? 
Sentence (from "Audioslave discography"): The band's first video album, also self-titled, was released in 2003 and reached number 5 on the "Billboard" Top Music Videos chart, receiving a gold certification from the RIAA.
Relevant evidence: Yes