opposition dominated national assembly but, rather, from the supreme court >>> spain has warned catalona's new government that it will challenge any legislation that it considers to be unconstitutional. the candidate set to lead the government has pledged to breakaway from spain within 18 months. foor the first time a song entirely in arabic has topped the charts in israel. the band gives traditional rhythms from yemen a hip hop sound. >> reporter: it has been viewed on line more than two million tim times. it stormed to the top of israel's pop music charts. the love of my heart is their first single. the success is an impressive feet for any group, but it's almost unheard of for a jewish band that sings traditional sound in a nearly extinct dialogue of arabic. >> reporter: music is a language in itself, so i don't think it should have any borders or something. we just want people to enjoy our music, no matter where they come from. >> reporter: the sisters are descendants of yemeni juice who moved moved. like many, they grew up singing the songs of their homeland. around 20% of israeli cit