Jason Mraz - Wikipedia, the free encyclopedia en.wikipedia.org/wiki/Jason_Mraz Jason Thomas Mraz (pron.: /məˈræz/; born June 23, 1977) is an American singer-songwriter. Mraz first came to prominence on the San Diego coffee house scene in 2000. At one of these coffee houses, Mraz met percussionist Toca Rivera and released Live at Java Joe's. He released his debut album, Wait