Aerosmith's Hollywood Bowl Concert with Dave Grohl and Johnny Depp

• Aerosmith performed at the Hollywood Bowl, their first show in three years.
• Dave Grohl played drums for Aerosmith during the concert.
• Johnny Depp made a surprise appearance at the concert.
• Guns N' Roses and The Black Crowes opened with tribute sets for Aerosmith.
• The concert marked a significant return for Aerosmith after a three-year hiatus due to Steven Tyler's vocal injury.