Bieber, One Direction top list of young music acts

LOS ANGELES, Sept 19: (Reuters)  Justin Bieber topped Billboard’s “21 Under 21” list of the world’s top young musical acts for the second year in a row, fending off stiff competition from British boy band One Direction. Bieber, 18, “remains more powerful in the pop universe than ever”, Billboard said, having released two No. 1 albums in the last year – holiday set “Under the Mistletoe” and his latest pop album,  “Believe”. (agencies)