Riding high with 'Mandatory Fun,' his first career No. 1, the king of parodies rewrites the rule book - with the blessing of everyone from Pharrell to Iggy Azalea
Weird Al equals big business.
The comedian's latest album, "Mandatory Fun," which tops the Aug. 2 Billboard 200, is his 15th chart entry in a career that spans 30 years of parodies - and his first No. 1.