Song pack available on April 24 to feature new single Nine Lives.

Players of Activision's Guitar Hero III on Xbox 360 and PS3 are to have access to Def Leppard's new singe Nine Lives a week before it is released at retail and Online.

The song will form part of a three track Def Leppard song pack, which will also include Rock of Ages and Photograph.

"Being involved with Guitar Hero is very exciting for us and adds a whole new layer of appreciation," said Def Leppard lead singer Joe Elliott. "I know from personal experience how much more you get into the music by playing the game - which is why we were keen to explore this opportunity. Guitar Hero is extremely popular with all kinds of music heads, which includes a lot of our fans - and we think releasing Nine Lives this way first is just fantastic!"

The Def Leppard song pack will be available on April 24 for Xbox 360 and PS3 (North America only), with European PS3 gamers having to wait until May 8.