Three months later he quit his business and went on a comedy tour for four years.

He went on to produce many highly successful comedy tours across the nation.

In early 2011, he announced a nine-month long American comedy tour.

Williams has done a number of stand-up comedy tours since the early 1970s.

He had opted for a comedy tour when a chunk of time opened up in his schedule.

Last year, Billboard named his tour the top comedy tour of 2008.

During the performances he told audiences that he planned a 2010 comedy tour.

Just Like Us is a 2010 documentary about a comedy tour of international comedians throughout the middle east.

Valentine performs comedy tours in clubs across the country.

In late 2007, he hosted a stand-up comedy tour of the UK.