Axl Rose dropped in on Billy Joel for the second time this year, joining the 'Piano Man' on a cover of AC/DC's 'Highway to Hell' and Joel's classic 'Big Shot.'
Guns N' Roses have covered AC/DC's "Whole Lotta Rosie" in concert before. But at their show in Zurich on June 6, singer Axl Rose revealed a personal reason for performing the song.