From the Christian Research Net:

Well, it’s not a tour exactly; CNN informs us:

Former Beatles Paul McCartney and Ringo Starr will reunite on stage next month to raise money to teach transcendental meditation to children around the world to “help provide them a quiet haven in a not-so-quiet world,” McCartney said…

Profits from the April 4 show at New York’s Radio City Music Hall will fund the David Lynch Foundation’s program, which has already taught 60,000 children around the world how to meditate, foundation spokesman Steve Yellin said.

The goal of the project — which is called “Change Begins Within” — is to teach the meditation technique to a million at-risk children so they have “life-long tools to overcome stress and violence and promote peace and success in their lives,” Yellin said.

CRN thinks you should know that this Transcendental Meditation Program “technique” was founded by Maharishi Mahesh Yogi from whom these musicians journeyed to “India’s Himalayan foothills in 1968 to learn transcendental meditation.” It’s also important that you understand the following from the official website of The Transcendental Meditation (TM) Program:  

Where did the TM technique come from?

The Transcendental Meditation technique is based on the ancient Vedic tradition of enlightenment in India. This knowledge has been handed down by Vedic masters from generation to generation for thousands of years. About 50 years ago, Maharishi — the representative in our age of the Vedic tradition — introduced Transcendental Meditation to the world, restoring the knowledge and experience of higher states of consciousness at this critical time for humanity. When we teach the Transcendental Meditation technique today, we maintain the same procedures and effectiveness as the teachers of thousands of years ago. (Online source, emphasis added)

See also:

Surviving Beatles Reunite to Promote Kid’s Meditation