Hosted by Tom Cruise what peaceful 2004 concert featured musical performances Cyndi lauper and Andrea Bocelli?

The concert you're thinking of is the "Concert for the Tsunami Relief", which was held in January 2005, not 2004.

While Tom Cruise was the host, the line-up also included:

* Cyndi Lauper

* Andrea Bocelli

* Scorpions

* Stevie Wonder

* Wilco

* The Corrs

* Jewel

* James Blunt

* Sarah McLachlan

* Sheryl Crow

* The Dixie Chicks

The concert was a benefit for the victims of the 2004 Indian Ocean tsunami. It was broadcast live on several television networks worldwide and raised millions of dollars for relief efforts.