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What is Jason Mraz's Love is a four Letter Word?
Love Is a Four Letter Word is the fourth studio album by the American singer-songwriter Jason Mraz.
Was Jason Mraz's Love Is a Four Letter Word an album ?
Love Is a Four Letter Word is the fourth studio album by the American singer-songwriter Jason Mraz.
Did Jason Mraz go on tour after Love Is a Four Letter Word was released ?
The TV appearances set the stage for Mraz’s hugely anticipated worldwide tour, dubbed “TOUR IS A FOUR LETTER WORD.”

Question: What did he do in 2013 ?
Self-contained rewrite: What did Jason Mraz do in 2013 ?