Step 1 : Introduction to the question "Under what stage name did Saul Hudson play guitar in Guns N' Roses?"
Saul Hudson, better known by his stage name Slash, is a musician and songwriter. He is the lead guitarist of the rock band Guns N' Roses, with whom he achieved worldwide success. Slash has received critical acclaim and is considered one of the greatest guitarists in rock history. In July 1987, Guns N' Roses released its debut album, Appetite for Destruction, which has sold over 30 million copies worldwide. It became the best-selling debut album of all time, as well as the eleventh best-selling album of all time in the United States. In 2012, Slash was inducted into the Rock and Roll Hall of Fame as a member of Guns N' Roses.