On May 12 and May 14, 2006, at the Guns N' Roses' warmup show at the Hammerstein Ballroom in New York City, Bach joined Axl Rose on stage for the song "My Michelle"... He joined Rose and the rest for a third time the following night (May 15) to sing "My Michelle" once again. He also joined them for their Pre-Download Festival show in the Apollo Hammersmith, London, singing My Michelle. Rose introduced Bach by saying that the two had rekindled their friendship in the previous week after 13 years of not speaking. On June 4, 9 & 11 he again joined Rose on stage at the 2006 Gods of Metal Festival (Milan), Download Festival in RDS Dublin and in Donington, respectively. On September 23, 2006, he joined Axl on stage once again at KROQ-FM's Inland Invasion festival in California for a rendition of "My Michelle".